Home / 1,275,347.18-1,760,058.64-702,387.20

Finding the Fourth Proportional to 1,275,347.18, 1,760,058.64 and 702,387.20

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Solution

The fourth proportional to 1,275,347.18, 1,760,058.64 and 702,387.20 is: 969,338.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,347.18 : 1,760,058.64 = 702,387.20 : x
  2. Step 2: Convert to fraction form
    1,275,347.18/1,760,058.64 = 702,387.20/x
  3. Step 3: Cross multiply
    1,275,347.18x = 1,760,058.64 × 702,387.20
  4. Step 4: Simplify right side
    1,275,347.18x = 1,236,242,649,429.15
  5. Step 5: Solve for x
    x = 1,236,242,649,429.15/1,275,347.18
  6. Step 6: Final answer
    x = 969,338.13

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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.