Home / 1,275,590.88-1,760,395.68-702,631.20

Finding the Fourth Proportional to 1,275,590.88, 1,760,395.68 and 702,631.20

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Solution

The fourth proportional to 1,275,590.88, 1,760,395.68 and 702,631.20 is: 969,675.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,590.88 : 1,760,395.68 = 702,631.20 : x
  2. Step 2: Convert to fraction form
    1,275,590.88/1,760,395.68 = 702,631.20/x
  3. Step 3: Cross multiply
    1,275,590.88x = 1,760,395.68 × 702,631.20
  4. Step 4: Simplify right side
    1,275,590.88x = 1,236,908,929,113.22
  5. Step 5: Solve for x
    x = 1,236,908,929,113.22/1,275,590.88
  6. Step 6: Final answer
    x = 969,675.27

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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.