Home / 976,260.20-1,465,425.47-864,664.88

Finding the Fourth Proportional to 976,260.20, 1,465,425.47 and 864,664.88

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Solution

The fourth proportional to 976,260.20, 1,465,425.47 and 864,664.88 is: 1,297,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,260.20 : 1,465,425.47 = 864,664.88 : x
  2. Step 2: Convert to fraction form
    976,260.20/1,465,425.47 = 864,664.88/x
  3. Step 3: Cross multiply
    976,260.20x = 1,465,425.47 × 864,664.88
  4. Step 4: Simplify right side
    976,260.20x = 1,267,101,933,001.03
  5. Step 5: Solve for x
    x = 1,267,101,933,001.03/976,260.20
  6. Step 6: Final answer
    x = 1,297,914.16

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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.