Home / 1,397,822.70-2,096,500.50-387,046.83

Finding the Fourth Proportional to 1,397,822.70, 2,096,500.50 and 387,046.83

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Solution

The fourth proportional to 1,397,822.70, 2,096,500.50 and 387,046.83 is: 580,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,822.70 : 2,096,500.50 = 387,046.83 : x
  2. Step 2: Convert to fraction form
    1,397,822.70/2,096,500.50 = 387,046.83/x
  3. Step 3: Cross multiply
    1,397,822.70x = 2,096,500.50 × 387,046.83
  4. Step 4: Simplify right side
    1,397,822.70x = 811,443,872,618.42
  5. Step 5: Solve for x
    x = 811,443,872,618.42/1,397,822.70
  6. Step 6: Final answer
    x = 580,505.58

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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.