Home / 820,929.60-1,229,061.60-736,948.80

Finding the Fourth Proportional to 820,929.60, 1,229,061.60 and 736,948.80

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Solution

The fourth proportional to 820,929.60, 1,229,061.60 and 736,948.80 is: 1,103,329.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,929.60 : 1,229,061.60 = 736,948.80 : x
  2. Step 2: Convert to fraction form
    820,929.60/1,229,061.60 = 736,948.80/x
  3. Step 3: Cross multiply
    820,929.60x = 1,229,061.60 × 736,948.80
  4. Step 4: Simplify right side
    820,929.60x = 905,755,471,246.08
  5. Step 5: Solve for x
    x = 905,755,471,246.08/820,929.60
  6. Step 6: Final answer
    x = 1,103,329.04

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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.