Home / 1,251,445.70-1,877,348.34-386,947.95

Finding the Fourth Proportional to 1,251,445.70, 1,877,348.34 and 386,947.95

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Solution

The fourth proportional to 1,251,445.70, 1,877,348.34 and 386,947.95 is: 580,477.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,445.70 : 1,877,348.34 = 386,947.95 : x
  2. Step 2: Convert to fraction form
    1,251,445.70/1,877,348.34 = 386,947.95/x
  3. Step 3: Cross multiply
    1,251,445.70x = 1,877,348.34 × 386,947.95
  4. Step 4: Simplify right side
    1,251,445.70x = 726,436,091,598.90
  5. Step 5: Solve for x
    x = 726,436,091,598.90/1,251,445.70
  6. Step 6: Final answer
    x = 580,477.52

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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.