Home / 1,078,729.90-1,614,984.45-658,825.90

Finding the Fourth Proportional to 1,078,729.90, 1,614,984.45 and 658,825.90

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Solution

The fourth proportional to 1,078,729.90, 1,614,984.45 and 658,825.90 is: 986,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,729.90 : 1,614,984.45 = 658,825.90 : x
  2. Step 2: Convert to fraction form
    1,078,729.90/1,614,984.45 = 658,825.90/x
  3. Step 3: Cross multiply
    1,078,729.90x = 1,614,984.45 × 658,825.90
  4. Step 4: Simplify right side
    1,078,729.90x = 1,063,993,583,757.26
  5. Step 5: Solve for x
    x = 1,063,993,583,757.26/1,078,729.90
  6. Step 6: Final answer
    x = 986,339.20

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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.