Home / 1,102,815.20-1,654,222.80-542,943.20

Finding the Fourth Proportional to 1,102,815.20, 1,654,222.80 and 542,943.20

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Solution

The fourth proportional to 1,102,815.20, 1,654,222.80 and 542,943.20 is: 814,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,815.20 : 1,654,222.80 = 542,943.20 : x
  2. Step 2: Convert to fraction form
    1,102,815.20/1,654,222.80 = 542,943.20/x
  3. Step 3: Cross multiply
    1,102,815.20x = 1,654,222.80 × 542,943.20
  4. Step 4: Simplify right side
    1,102,815.20x = 898,149,020,544.96
  5. Step 5: Solve for x
    x = 898,149,020,544.96/1,102,815.20
  6. Step 6: Final answer
    x = 814,414.80

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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.