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Finding the Fourth Proportional to 1,346,571, 1,858,306.86 and 742,997.88

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Solution

The fourth proportional to 1,346,571, 1,858,306.86 and 742,997.88 is: 1,025,358.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,571 : 1,858,306.86 = 742,997.88 : x
  2. Step 2: Convert to fraction form
    1,346,571/1,858,306.86 = 742,997.88/x
  3. Step 3: Cross multiply
    1,346,571x = 1,858,306.86 × 742,997.88
  4. Step 4: Simplify right side
    1,346,571x = 1,380,718,057,369.46
  5. Step 5: Solve for x
    x = 1,380,718,057,369.46/1,346,571
  6. Step 6: Final answer
    x = 1,025,358.53

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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.