Home / 1,065,712.10-1,598,568.15-667,580.90

Finding the Fourth Proportional to 1,065,712.10, 1,598,568.15 and 667,580.90

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Solution

The fourth proportional to 1,065,712.10, 1,598,568.15 and 667,580.90 is: 1,001,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,712.10 : 1,598,568.15 = 667,580.90 : x
  2. Step 2: Convert to fraction form
    1,065,712.10/1,598,568.15 = 667,580.90/x
  3. Step 3: Cross multiply
    1,065,712.10x = 1,598,568.15 × 667,580.90
  4. Step 4: Simplify right side
    1,065,712.10x = 1,067,173,564,288.34
  5. Step 5: Solve for x
    x = 1,067,173,564,288.34/1,065,712.10
  6. Step 6: Final answer
    x = 1,001,371.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.