Home / 1,489,227.34-2,233,471.95-424,278.61

Finding the Fourth Proportional to 1,489,227.34, 2,233,471.95 and 424,278.61

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Solution

The fourth proportional to 1,489,227.34, 2,233,471.95 and 424,278.61 is: 636,312.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,227.34 : 2,233,471.95 = 424,278.61 : x
  2. Step 2: Convert to fraction form
    1,489,227.34/2,233,471.95 = 424,278.61/x
  3. Step 3: Cross multiply
    1,489,227.34x = 2,233,471.95 × 424,278.61
  4. Step 4: Simplify right side
    1,489,227.34x = 947,614,374,419.99
  5. Step 5: Solve for x
    x = 947,614,374,419.99/1,489,227.34
  6. Step 6: Final answer
    x = 636,312.77

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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.