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Finding the Fourth Proportional to 1,658,418.04, 2,487,641 and 460,433.78

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Solution

The fourth proportional to 1,658,418.04, 2,487,641 and 460,433.78 is: 690,654.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,418.04 : 2,487,641 = 460,433.78 : x
  2. Step 2: Convert to fraction form
    1,658,418.04/2,487,641 = 460,433.78/x
  3. Step 3: Cross multiply
    1,658,418.04x = 2,487,641 × 460,433.78
  4. Step 4: Simplify right side
    1,658,418.04x = 1,145,393,948,912.98
  5. Step 5: Solve for x
    x = 1,145,393,948,912.98/1,658,418.04
  6. Step 6: Final answer
    x = 690,654.54

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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.