Home / 1,000,751.52-1,381,023.12-548,042.40

Finding the Fourth Proportional to 1,000,751.52, 1,381,023.12 and 548,042.40

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Solution

The fourth proportional to 1,000,751.52, 1,381,023.12 and 548,042.40 is: 756,290.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,751.52 : 1,381,023.12 = 548,042.40 : x
  2. Step 2: Convert to fraction form
    1,000,751.52/1,381,023.12 = 548,042.40/x
  3. Step 3: Cross multiply
    1,000,751.52x = 1,381,023.12 × 548,042.40
  4. Step 4: Simplify right side
    1,000,751.52x = 756,859,225,140.29
  5. Step 5: Solve for x
    x = 756,859,225,140.29/1,000,751.52
  6. Step 6: Final answer
    x = 756,290.86

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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.