Home / 1,268,420.92-1,750,407.38-695,459.64

Finding the Fourth Proportional to 1,268,420.92, 1,750,407.38 and 695,459.64

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Solution

The fourth proportional to 1,268,420.92, 1,750,407.38 and 695,459.64 is: 959,726.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,420.92 : 1,750,407.38 = 695,459.64 : x
  2. Step 2: Convert to fraction form
    1,268,420.92/1,750,407.38 = 695,459.64/x
  3. Step 3: Cross multiply
    1,268,420.92x = 1,750,407.38 × 695,459.64
  4. Step 4: Simplify right side
    1,268,420.92x = 1,217,337,686,348.14
  5. Step 5: Solve for x
    x = 1,217,337,686,348.14/1,268,420.92
  6. Step 6: Final answer
    x = 959,726.91

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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.