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Finding the Fourth Proportional to 1,553,237.43, 2,328,828.24 and 743,741.25

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Solution

The fourth proportional to 1,553,237.43, 2,328,828.24 and 743,741.25 is: 1,115,119.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,237.43 : 2,328,828.24 = 743,741.25 : x
  2. Step 2: Convert to fraction form
    1,553,237.43/2,328,828.24 = 743,741.25/x
  3. Step 3: Cross multiply
    1,553,237.43x = 2,328,828.24 × 743,741.25
  4. Step 4: Simplify right side
    1,553,237.43x = 1,732,045,626,252.90
  5. Step 5: Solve for x
    x = 1,732,045,626,252.90/1,553,237.43
  6. Step 6: Final answer
    x = 1,115,119.68

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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.