Home / 1,042,257.43-1,438,539.41-634,493.71

Finding the Fourth Proportional to 1,042,257.43, 1,438,539.41 and 634,493.71

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Solution

The fourth proportional to 1,042,257.43, 1,438,539.41 and 634,493.71 is: 875,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,257.43 : 1,438,539.41 = 634,493.71 : x
  2. Step 2: Convert to fraction form
    1,042,257.43/1,438,539.41 = 634,493.71/x
  3. Step 3: Cross multiply
    1,042,257.43x = 1,438,539.41 × 634,493.71
  4. Step 4: Simplify right side
    1,042,257.43x = 912,744,207,232.11
  5. Step 5: Solve for x
    x = 912,744,207,232.11/1,042,257.43
  6. Step 6: Final answer
    x = 875,737.78

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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.