Home / 1,314,083.20-1,813,433.28-710,469.76

Finding the Fourth Proportional to 1,314,083.20, 1,813,433.28 and 710,469.76

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Solution

The fourth proportional to 1,314,083.20, 1,813,433.28 and 710,469.76 is: 980,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,083.20 : 1,813,433.28 = 710,469.76 : x
  2. Step 2: Convert to fraction form
    1,314,083.20/1,813,433.28 = 710,469.76/x
  3. Step 3: Cross multiply
    1,314,083.20x = 1,813,433.28 × 710,469.76
  4. Step 4: Simplify right side
    1,314,083.20x = 1,288,389,507,217.61
  5. Step 5: Solve for x
    x = 1,288,389,507,217.61/1,314,083.20
  6. Step 6: Final answer
    x = 980,447.44

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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.