Home / 1,275,587.46-1,760,252.36-731,689.02

Finding the Fourth Proportional to 1,275,587.46, 1,760,252.36 and 731,689.02

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Solution

The fourth proportional to 1,275,587.46, 1,760,252.36 and 731,689.02 is: 1,009,697.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,587.46 : 1,760,252.36 = 731,689.02 : x
  2. Step 2: Convert to fraction form
    1,275,587.46/1,760,252.36 = 731,689.02/x
  3. Step 3: Cross multiply
    1,275,587.46x = 1,760,252.36 × 731,689.02
  4. Step 4: Simplify right side
    1,275,587.46x = 1,287,957,320,582.64
  5. Step 5: Solve for x
    x = 1,287,957,320,582.64/1,275,587.46
  6. Step 6: Final answer
    x = 1,009,697.38

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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.