Home / 1,271,255.28-1,754,345.14-690,484.02

Finding the Fourth Proportional to 1,271,255.28, 1,754,345.14 and 690,484.02

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Solution

The fourth proportional to 1,271,255.28, 1,754,345.14 and 690,484.02 is: 952,874.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,255.28 : 1,754,345.14 = 690,484.02 : x
  2. Step 2: Convert to fraction form
    1,271,255.28/1,754,345.14 = 690,484.02/x
  3. Step 3: Cross multiply
    1,271,255.28x = 1,754,345.14 × 690,484.02
  4. Step 4: Simplify right side
    1,271,255.28x = 1,211,347,284,734.66
  5. Step 5: Solve for x
    x = 1,211,347,284,734.66/1,271,255.28
  6. Step 6: Final answer
    x = 952,874.93

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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.