Home / 1,275,511.70-1,760,205.86-702,551.88

Finding the Fourth Proportional to 1,275,511.70, 1,760,205.86 and 702,551.88

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Solution

The fourth proportional to 1,275,511.70, 1,760,205.86 and 702,551.88 is: 969,521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,511.70 : 1,760,205.86 = 702,551.88 : x
  2. Step 2: Convert to fraction form
    1,275,511.70/1,760,205.86 = 702,551.88/x
  3. Step 3: Cross multiply
    1,275,511.70x = 1,760,205.86 × 702,551.88
  4. Step 4: Simplify right side
    1,275,511.70x = 1,236,635,936,130.02
  5. Step 5: Solve for x
    x = 1,236,635,936,130.02/1,275,511.70
  6. Step 6: Final answer
    x = 969,521.44

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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.