Home / 1,108,815.80-1,663,223.70-730,902.20

Finding the Fourth Proportional to 1,108,815.80, 1,663,223.70 and 730,902.20

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Solution

The fourth proportional to 1,108,815.80, 1,663,223.70 and 730,902.20 is: 1,096,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,815.80 : 1,663,223.70 = 730,902.20 : x
  2. Step 2: Convert to fraction form
    1,108,815.80/1,663,223.70 = 730,902.20/x
  3. Step 3: Cross multiply
    1,108,815.80x = 1,663,223.70 × 730,902.20
  4. Step 4: Simplify right side
    1,108,815.80x = 1,215,653,861,422.14
  5. Step 5: Solve for x
    x = 1,215,653,861,422.14/1,108,815.80
  6. Step 6: Final answer
    x = 1,096,353.30

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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.