Home / 1,350,793.53-1,864,143.11-738,909.81

Finding the Fourth Proportional to 1,350,793.53, 1,864,143.11 and 738,909.81

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Solution

The fourth proportional to 1,350,793.53, 1,864,143.11 and 738,909.81 is: 1,019,721.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,793.53 : 1,864,143.11 = 738,909.81 : x
  2. Step 2: Convert to fraction form
    1,350,793.53/1,864,143.11 = 738,909.81/x
  3. Step 3: Cross multiply
    1,350,793.53x = 1,864,143.11 × 738,909.81
  4. Step 4: Simplify right side
    1,350,793.53x = 1,377,433,633,070.18
  5. Step 5: Solve for x
    x = 1,377,433,633,070.18/1,350,793.53
  6. Step 6: Final answer
    x = 1,019,721.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.