Home / 2,561,242.08-3,842,081.28-764,009.76

Finding the Fourth Proportional to 2,561,242.08, 3,842,081.28 and 764,009.76

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Solution

The fourth proportional to 2,561,242.08, 3,842,081.28 and 764,009.76 is: 1,146,079.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561,242.08 : 3,842,081.28 = 764,009.76 : x
  2. Step 2: Convert to fraction form
    2,561,242.08/3,842,081.28 = 764,009.76/x
  3. Step 3: Cross multiply
    2,561,242.08x = 3,842,081.28 × 764,009.76
  4. Step 4: Simplify right side
    2,561,242.08x = 2,935,387,596,633.29
  5. Step 5: Solve for x
    x = 2,935,387,596,633.29/2,561,242.08
  6. Step 6: Final answer
    x = 1,146,079.72

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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.