Home / 1,356,999.46-1,872,691.79-736,830.78

Finding the Fourth Proportional to 1,356,999.46, 1,872,691.79 and 736,830.78

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Solution

The fourth proportional to 1,356,999.46, 1,872,691.79 and 736,830.78 is: 1,016,844.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,999.46 : 1,872,691.79 = 736,830.78 : x
  2. Step 2: Convert to fraction form
    1,356,999.46/1,872,691.79 = 736,830.78/x
  3. Step 3: Cross multiply
    1,356,999.46x = 1,872,691.79 × 736,830.78
  4. Step 4: Simplify right side
    1,356,999.46x = 1,379,856,941,618.55
  5. Step 5: Solve for x
    x = 1,379,856,941,618.55/1,356,999.46
  6. Step 6: Final answer
    x = 1,016,844.14

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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.