Home / 1,040,084.20-1,558,376.70-889,618.60

Finding the Fourth Proportional to 1,040,084.20, 1,558,376.70 and 889,618.60

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Solution

The fourth proportional to 1,040,084.20, 1,558,376.70 and 889,618.60 is: 1,332,931.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,084.20 : 1,558,376.70 = 889,618.60 : x
  2. Step 2: Convert to fraction form
    1,040,084.20/1,558,376.70 = 889,618.60/x
  3. Step 3: Cross multiply
    1,040,084.20x = 1,558,376.70 × 889,618.60
  4. Step 4: Simplify right side
    1,040,084.20x = 1,386,360,898,126.62
  5. Step 5: Solve for x
    x = 1,386,360,898,126.62/1,040,084.20
  6. Step 6: Final answer
    x = 1,332,931.41

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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.