Home / 1,086,622.80-1,631,489.40-614,230.80

Finding the Fourth Proportional to 1,086,622.80, 1,631,489.40 and 614,230.80

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Solution

The fourth proportional to 1,086,622.80, 1,631,489.40 and 614,230.80 is: 922,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,622.80 : 1,631,489.40 = 614,230.80 : x
  2. Step 2: Convert to fraction form
    1,086,622.80/1,631,489.40 = 614,230.80/x
  3. Step 3: Cross multiply
    1,086,622.80x = 1,631,489.40 × 614,230.80
  4. Step 4: Simplify right side
    1,086,622.80x = 1,002,111,039,353.52
  5. Step 5: Solve for x
    x = 1,002,111,039,353.52/1,086,622.80
  6. Step 6: Final answer
    x = 922,225.30

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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.