Home / 1,354,365.98-1,869,024.59-742,505.61

Finding the Fourth Proportional to 1,354,365.98, 1,869,024.59 and 742,505.61

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Solution

The fourth proportional to 1,354,365.98, 1,869,024.59 and 742,505.61 is: 1,024,657.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,365.98 : 1,869,024.59 = 742,505.61 : x
  2. Step 2: Convert to fraction form
    1,354,365.98/1,869,024.59 = 742,505.61/x
  3. Step 3: Cross multiply
    1,354,365.98x = 1,869,024.59 × 742,505.61
  4. Step 4: Simplify right side
    1,354,365.98x = 1,387,761,243,046.99
  5. Step 5: Solve for x
    x = 1,387,761,243,046.99/1,354,365.98
  6. Step 6: Final answer
    x = 1,024,657.49

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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.