Home / 1,371,947.60-2,057,999.16-425,452.88

Finding the Fourth Proportional to 1,371,947.60, 2,057,999.16 and 425,452.88

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Solution

The fourth proportional to 1,371,947.60, 2,057,999.16 and 425,452.88 is: 638,203.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,947.60 : 2,057,999.16 = 425,452.88 : x
  2. Step 2: Convert to fraction form
    1,371,947.60/2,057,999.16 = 425,452.88/x
  3. Step 3: Cross multiply
    1,371,947.60x = 2,057,999.16 × 425,452.88
  4. Step 4: Simplify right side
    1,371,947.60x = 875,581,669,659.58
  5. Step 5: Solve for x
    x = 875,581,669,659.58/1,371,947.60
  6. Step 6: Final answer
    x = 638,203.43

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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.