Home / 1,264,387.32-1,744,970.85-755,078.76

Finding the Fourth Proportional to 1,264,387.32, 1,744,970.85 and 755,078.76

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Solution

The fourth proportional to 1,264,387.32, 1,744,970.85 and 755,078.76 is: 1,042,078.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,387.32 : 1,744,970.85 = 755,078.76 : x
  2. Step 2: Convert to fraction form
    1,264,387.32/1,744,970.85 = 755,078.76/x
  3. Step 3: Cross multiply
    1,264,387.32x = 1,744,970.85 × 755,078.76
  4. Step 4: Simplify right side
    1,264,387.32x = 1,317,590,425,654.15
  5. Step 5: Solve for x
    x = 1,317,590,425,654.15/1,264,387.32
  6. Step 6: Final answer
    x = 1,042,078.17

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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.