Home / 976,822.40-1,465,233.60-819,358.40

Finding the Fourth Proportional to 976,822.40, 1,465,233.60 and 819,358.40

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Solution

The fourth proportional to 976,822.40, 1,465,233.60 and 819,358.40 is: 1,229,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,822.40 : 1,465,233.60 = 819,358.40 : x
  2. Step 2: Convert to fraction form
    976,822.40/1,465,233.60 = 819,358.40/x
  3. Step 3: Cross multiply
    976,822.40x = 1,465,233.60 × 819,358.40
  4. Step 4: Simplify right side
    976,822.40x = 1,200,551,458,122.24
  5. Step 5: Solve for x
    x = 1,200,551,458,122.24/976,822.40
  6. Step 6: Final answer
    x = 1,229,037.60

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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.