Home / 738,127.60-1,107,191.40-724,130.80

Finding the Fourth Proportional to 738,127.60, 1,107,191.40 and 724,130.80

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Solution

The fourth proportional to 738,127.60, 1,107,191.40 and 724,130.80 is: 1,086,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,127.60 : 1,107,191.40 = 724,130.80 : x
  2. Step 2: Convert to fraction form
    738,127.60/1,107,191.40 = 724,130.80/x
  3. Step 3: Cross multiply
    738,127.60x = 1,107,191.40 × 724,130.80
  4. Step 4: Simplify right side
    738,127.60x = 801,751,394,235.12
  5. Step 5: Solve for x
    x = 801,751,394,235.12/738,127.60
  6. Step 6: Final answer
    x = 1,086,196.20

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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.