Home / 1,152,149.76-1,728,224.80-310,701.60

Finding the Fourth Proportional to 1,152,149.76, 1,728,224.80 and 310,701.60

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Solution

The fourth proportional to 1,152,149.76, 1,728,224.80 and 310,701.60 is: 466,052.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,149.76 : 1,728,224.80 = 310,701.60 : x
  2. Step 2: Convert to fraction form
    1,152,149.76/1,728,224.80 = 310,701.60/x
  3. Step 3: Cross multiply
    1,152,149.76x = 1,728,224.80 × 310,701.60
  4. Step 4: Simplify right side
    1,152,149.76x = 536,962,210,519.68
  5. Step 5: Solve for x
    x = 536,962,210,519.68/1,152,149.76
  6. Step 6: Final answer
    x = 466,052.44

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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.