Home / 1,098,405.33-1,647,871.04-458,353.02

Finding the Fourth Proportional to 1,098,405.33, 1,647,871.04 and 458,353.02

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Solution

The fourth proportional to 1,098,405.33, 1,647,871.04 and 458,353.02 is: 687,639.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,405.33 : 1,647,871.04 = 458,353.02 : x
  2. Step 2: Convert to fraction form
    1,098,405.33/1,647,871.04 = 458,353.02/x
  3. Step 3: Cross multiply
    1,098,405.33x = 1,647,871.04 × 458,353.02
  4. Step 4: Simplify right side
    1,098,405.33x = 755,306,659,515.19
  5. Step 5: Solve for x
    x = 755,306,659,515.19/1,098,405.33
  6. Step 6: Final answer
    x = 687,639.29

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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.