Home / 996,986.10-1,493,373.15-660,188.10

Finding the Fourth Proportional to 996,986.10, 1,493,373.15 and 660,188.10

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Solution

The fourth proportional to 996,986.10, 1,493,373.15 and 660,188.10 is: 988,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,986.10 : 1,493,373.15 = 660,188.10 : x
  2. Step 2: Convert to fraction form
    996,986.10/1,493,373.15 = 660,188.10/x
  3. Step 3: Cross multiply
    996,986.10x = 1,493,373.15 × 660,188.10
  4. Step 4: Simplify right side
    996,986.10x = 985,907,182,489.52
  5. Step 5: Solve for x
    x = 985,907,182,489.52/996,986.10
  6. Step 6: Final answer
    x = 988,887.59

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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.