Home / 1,109,825.20-1,664,737.80-361,871.20

Finding the Fourth Proportional to 1,109,825.20, 1,664,737.80 and 361,871.20

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Solution

The fourth proportional to 1,109,825.20, 1,664,737.80 and 361,871.20 is: 542,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,825.20 : 1,664,737.80 = 361,871.20 : x
  2. Step 2: Convert to fraction form
    1,109,825.20/1,664,737.80 = 361,871.20/x
  3. Step 3: Cross multiply
    1,109,825.20x = 1,664,737.80 × 361,871.20
  4. Step 4: Simplify right side
    1,109,825.20x = 602,420,665,371.36
  5. Step 5: Solve for x
    x = 602,420,665,371.36/1,109,825.20
  6. Step 6: Final answer
    x = 542,806.80

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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.