Home / 1,271,273.69-1,754,370.57-690,508.16

Finding the Fourth Proportional to 1,271,273.69, 1,754,370.57 and 690,508.16

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Solution

The fourth proportional to 1,271,273.69, 1,754,370.57 and 690,508.16 is: 952,908.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,273.69 : 1,754,370.57 = 690,508.16 : x
  2. Step 2: Convert to fraction form
    1,271,273.69/1,754,370.57 = 690,508.16/x
  3. Step 3: Cross multiply
    1,271,273.69x = 1,754,370.57 × 690,508.16
  4. Step 4: Simplify right side
    1,271,273.69x = 1,211,407,194,248.85
  5. Step 5: Solve for x
    x = 1,211,407,194,248.85/1,271,273.69
  6. Step 6: Final answer
    x = 952,908.26

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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.