Home / 1,098,315.41-1,646,856.32-752,489.21

Finding the Fourth Proportional to 1,098,315.41, 1,646,856.32 and 752,489.21

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Solution

The fourth proportional to 1,098,315.41, 1,646,856.32 and 752,489.21 is: 1,128,311.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,315.41 : 1,646,856.32 = 752,489.21 : x
  2. Step 2: Convert to fraction form
    1,098,315.41/1,646,856.32 = 752,489.21/x
  3. Step 3: Cross multiply
    1,098,315.41x = 1,646,856.32 × 752,489.21
  4. Step 4: Simplify right side
    1,098,315.41x = 1,239,241,599,223.58
  5. Step 5: Solve for x
    x = 1,239,241,599,223.58/1,098,315.41
  6. Step 6: Final answer
    x = 1,128,311.22

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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.