Home / 1,270,789.16-1,753,872.55-761,538.92

Finding the Fourth Proportional to 1,270,789.16, 1,753,872.55 and 761,538.92

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Solution

The fourth proportional to 1,270,789.16, 1,753,872.55 and 761,538.92 is: 1,051,033.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,789.16 : 1,753,872.55 = 761,538.92 : x
  2. Step 2: Convert to fraction form
    1,270,789.16/1,753,872.55 = 761,538.92/x
  3. Step 3: Cross multiply
    1,270,789.16x = 1,753,872.55 × 761,538.92
  4. Step 4: Simplify right side
    1,270,789.16x = 1,335,642,196,871.44
  5. Step 5: Solve for x
    x = 1,335,642,196,871.44/1,270,789.16
  6. Step 6: Final answer
    x = 1,051,033.68

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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.