Home / 1,275,498.74-1,760,188.14-702,538.91

Finding the Fourth Proportional to 1,275,498.74, 1,760,188.14 and 702,538.91

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Solution

The fourth proportional to 1,275,498.74, 1,760,188.14 and 702,538.91 is: 969,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,498.74 : 1,760,188.14 = 702,538.91 : x
  2. Step 2: Convert to fraction form
    1,275,498.74/1,760,188.14 = 702,538.91/x
  3. Step 3: Cross multiply
    1,275,498.74x = 1,760,188.14 × 702,538.91
  4. Step 4: Simplify right side
    1,275,498.74x = 1,236,600,648,469.59
  5. Step 5: Solve for x
    x = 1,236,600,648,469.59/1,275,498.74
  6. Step 6: Final answer
    x = 969,503.63

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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.