Home / 1,687,090.57-2,328,184.98-923,144.13

Finding the Fourth Proportional to 1,687,090.57, 2,328,184.98 and 923,144.13

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Solution

The fourth proportional to 1,687,090.57, 2,328,184.98 and 923,144.13 is: 1,273,938.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,090.57 : 2,328,184.98 = 923,144.13 : x
  2. Step 2: Convert to fraction form
    1,687,090.57/2,328,184.98 = 923,144.13/x
  3. Step 3: Cross multiply
    1,687,090.57x = 2,328,184.98 × 923,144.13
  4. Step 4: Simplify right side
    1,687,090.57x = 2,149,250,281,584.52
  5. Step 5: Solve for x
    x = 2,149,250,281,584.52/1,687,090.57
  6. Step 6: Final answer
    x = 1,273,938.89

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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.