Home / 974,291.20-1,459,881.60-815,660.80

Finding the Fourth Proportional to 974,291.20, 1,459,881.60 and 815,660.80

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Solution

The fourth proportional to 974,291.20, 1,459,881.60 and 815,660.80 is: 1,222,189.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,291.20 : 1,459,881.60 = 815,660.80 : x
  2. Step 2: Convert to fraction form
    974,291.20/1,459,881.60 = 815,660.80/x
  3. Step 3: Cross multiply
    974,291.20x = 1,459,881.60 × 815,660.80
  4. Step 4: Simplify right side
    974,291.20x = 1,190,768,193,761.28
  5. Step 5: Solve for x
    x = 1,190,768,193,761.28/974,291.20
  6. Step 6: Final answer
    x = 1,222,189.21

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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.