Home / 1,662,252.05-2,493,378.77-400,079.68

Finding the Fourth Proportional to 1,662,252.05, 2,493,378.77 and 400,079.68

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Solution

The fourth proportional to 1,662,252.05, 2,493,378.77 and 400,079.68 is: 600,119.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,252.05 : 2,493,378.77 = 400,079.68 : x
  2. Step 2: Convert to fraction form
    1,662,252.05/2,493,378.77 = 400,079.68/x
  3. Step 3: Cross multiply
    1,662,252.05x = 2,493,378.77 × 400,079.68
  4. Step 4: Simplify right side
    1,662,252.05x = 997,550,172,186.55
  5. Step 5: Solve for x
    x = 997,550,172,186.55/1,662,252.05
  6. Step 6: Final answer
    x = 600,119.68

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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.