Home / 749,223.20-1,123,834.80-736,781.60

Finding the Fourth Proportional to 749,223.20, 1,123,834.80 and 736,781.60

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Solution

The fourth proportional to 749,223.20, 1,123,834.80 and 736,781.60 is: 1,105,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,223.20 : 1,123,834.80 = 736,781.60 : x
  2. Step 2: Convert to fraction form
    749,223.20/1,123,834.80 = 736,781.60/x
  3. Step 3: Cross multiply
    749,223.20x = 1,123,834.80 × 736,781.60
  4. Step 4: Simplify right side
    749,223.20x = 828,020,802,079.68
  5. Step 5: Solve for x
    x = 828,020,802,079.68/749,223.20
  6. Step 6: Final answer
    x = 1,105,172.40

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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.