Home / 1,098,701.40-1,646,739.90-459,003.90

Finding the Fourth Proportional to 1,098,701.40, 1,646,739.90 and 459,003.90

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Solution

The fourth proportional to 1,098,701.40, 1,646,739.90 and 459,003.90 is: 687,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,701.40 : 1,646,739.90 = 459,003.90 : x
  2. Step 2: Convert to fraction form
    1,098,701.40/1,646,739.90 = 459,003.90/x
  3. Step 3: Cross multiply
    1,098,701.40x = 1,646,739.90 × 459,003.90
  4. Step 4: Simplify right side
    1,098,701.40x = 755,860,036,385.61
  5. Step 5: Solve for x
    x = 755,860,036,385.61/1,098,701.40
  6. Step 6: Final answer
    x = 687,957.65

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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.