Home / 1,221,385.23-1,831,495.46-547,472.12

Finding the Fourth Proportional to 1,221,385.23, 1,831,495.46 and 547,472.12

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Solution

The fourth proportional to 1,221,385.23, 1,831,495.46 and 547,472.12 is: 820,947.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,385.23 : 1,831,495.46 = 547,472.12 : x
  2. Step 2: Convert to fraction form
    1,221,385.23/1,831,495.46 = 547,472.12/x
  3. Step 3: Cross multiply
    1,221,385.23x = 1,831,495.46 × 547,472.12
  4. Step 4: Simplify right side
    1,221,385.23x = 1,002,692,690,361.74
  5. Step 5: Solve for x
    x = 1,002,692,690,361.74/1,221,385.23
  6. Step 6: Final answer
    x = 820,947.12

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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.