Home / 1,211,202.20-1,813,304.10-738,810.20

Finding the Fourth Proportional to 1,211,202.20, 1,813,304.10 and 738,810.20

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Solution

The fourth proportional to 1,211,202.20, 1,813,304.10 and 738,810.20 is: 1,106,080.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,202.20 : 1,813,304.10 = 738,810.20 : x
  2. Step 2: Convert to fraction form
    1,211,202.20/1,813,304.10 = 738,810.20/x
  3. Step 3: Cross multiply
    1,211,202.20x = 1,813,304.10 × 738,810.20
  4. Step 4: Simplify right side
    1,211,202.20x = 1,339,687,564,781.82
  5. Step 5: Solve for x
    x = 1,339,687,564,781.82/1,211,202.20
  6. Step 6: Final answer
    x = 1,106,080.85

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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.