Home / 887,129.40-1,330,694.10-789,151.80

Finding the Fourth Proportional to 887,129.40, 1,330,694.10 and 789,151.80

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Solution

The fourth proportional to 887,129.40, 1,330,694.10 and 789,151.80 is: 1,183,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,129.40 : 1,330,694.10 = 789,151.80 : x
  2. Step 2: Convert to fraction form
    887,129.40/1,330,694.10 = 789,151.80/x
  3. Step 3: Cross multiply
    887,129.40x = 1,330,694.10 × 789,151.80
  4. Step 4: Simplify right side
    887,129.40x = 1,050,119,644,264.38
  5. Step 5: Solve for x
    x = 1,050,119,644,264.38/887,129.40
  6. Step 6: Final answer
    x = 1,183,727.70

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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.