Home / 1,163,131.88-1,744,697.81-321,683.63

Finding the Fourth Proportional to 1,163,131.88, 1,744,697.81 and 321,683.63

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Solution

The fourth proportional to 1,163,131.88, 1,744,697.81 and 321,683.63 is: 482,525.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,131.88 : 1,744,697.81 = 321,683.63 : x
  2. Step 2: Convert to fraction form
    1,163,131.88/1,744,697.81 = 321,683.63/x
  3. Step 3: Cross multiply
    1,163,131.88x = 1,744,697.81 × 321,683.63
  4. Step 4: Simplify right side
    1,163,131.88x = 561,240,716,854.57
  5. Step 5: Solve for x
    x = 561,240,716,854.57/1,163,131.88
  6. Step 6: Final answer
    x = 482,525.44

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.