Home / 1,124,858.43-1,687,540.79-356,402.35

Finding the Fourth Proportional to 1,124,858.43, 1,687,540.79 and 356,402.35

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Solution

The fourth proportional to 1,124,858.43, 1,687,540.79 and 356,402.35 is: 534,683.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,858.43 : 1,687,540.79 = 356,402.35 : x
  2. Step 2: Convert to fraction form
    1,124,858.43/1,687,540.79 = 356,402.35/x
  3. Step 3: Cross multiply
    1,124,858.43x = 1,687,540.79 × 356,402.35
  4. Step 4: Simplify right side
    1,124,858.43x = 601,443,503,276.86
  5. Step 5: Solve for x
    x = 601,443,503,276.86/1,124,858.43
  6. Step 6: Final answer
    x = 534,683.73

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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.