Home / 1,297,276.28-1,944,335.16-918,304.40

Finding the Fourth Proportional to 1,297,276.28, 1,944,335.16 and 918,304.40

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Solution

The fourth proportional to 1,297,276.28, 1,944,335.16 and 918,304.40 is: 1,376,338.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,276.28 : 1,944,335.16 = 918,304.40 : x
  2. Step 2: Convert to fraction form
    1,297,276.28/1,944,335.16 = 918,304.40/x
  3. Step 3: Cross multiply
    1,297,276.28x = 1,944,335.16 × 918,304.40
  4. Step 4: Simplify right side
    1,297,276.28x = 1,785,491,532,502.70
  5. Step 5: Solve for x
    x = 1,785,491,532,502.70/1,297,276.28
  6. Step 6: Final answer
    x = 1,376,338.69

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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.