Home / 1,124,859.43-1,687,542.29-356,403.35

Finding the Fourth Proportional to 1,124,859.43, 1,687,542.29 and 356,403.35

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Solution

The fourth proportional to 1,124,859.43, 1,687,542.29 and 356,403.35 is: 534,685.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,859.43 : 1,687,542.29 = 356,403.35 : x
  2. Step 2: Convert to fraction form
    1,124,859.43/1,687,542.29 = 356,403.35/x
  3. Step 3: Cross multiply
    1,124,859.43x = 1,687,542.29 × 356,403.35
  4. Step 4: Simplify right side
    1,124,859.43x = 601,445,725,422.67
  5. Step 5: Solve for x
    x = 601,445,725,422.67/1,124,859.43
  6. Step 6: Final answer
    x = 534,685.23

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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.