Home / 1,380,229.74-2,068,666.04-738,957.60

Finding the Fourth Proportional to 1,380,229.74, 2,068,666.04 and 738,957.60

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Solution

The fourth proportional to 1,380,229.74, 2,068,666.04 and 738,957.60 is: 1,107,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,229.74 : 2,068,666.04 = 738,957.60 : x
  2. Step 2: Convert to fraction form
    1,380,229.74/2,068,666.04 = 738,957.60/x
  3. Step 3: Cross multiply
    1,380,229.74x = 2,068,666.04 × 738,957.60
  4. Step 4: Simplify right side
    1,380,229.74x = 1,528,656,488,425.12
  5. Step 5: Solve for x
    x = 1,528,656,488,425.12/1,380,229.74
  6. Step 6: Final answer
    x = 1,107,537.71

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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.