Home / 1,276,142.24-1,761,154.72-703,182.24

Finding the Fourth Proportional to 1,276,142.24, 1,761,154.72 and 703,182.24

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Solution

The fourth proportional to 1,276,142.24, 1,761,154.72 and 703,182.24 is: 970,434.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,142.24 : 1,761,154.72 = 703,182.24 : x
  2. Step 2: Convert to fraction form
    1,276,142.24/1,761,154.72 = 703,182.24/x
  3. Step 3: Cross multiply
    1,276,142.24x = 1,761,154.72 × 703,182.24
  4. Step 4: Simplify right side
    1,276,142.24x = 1,238,412,720,996.17
  5. Step 5: Solve for x
    x = 1,238,412,720,996.17/1,276,142.24
  6. Step 6: Final answer
    x = 970,434.71

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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.