Home / 1,279,412.04-1,919,125.26-531,458.76

Finding the Fourth Proportional to 1,279,412.04, 1,919,125.26 and 531,458.76

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Solution

The fourth proportional to 1,279,412.04, 1,919,125.26 and 531,458.76 is: 797,191.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,412.04 : 1,919,125.26 = 531,458.76 : x
  2. Step 2: Convert to fraction form
    1,279,412.04/1,919,125.26 = 531,458.76/x
  3. Step 3: Cross multiply
    1,279,412.04x = 1,919,125.26 × 531,458.76
  4. Step 4: Simplify right side
    1,279,412.04x = 1,019,935,930,964.28
  5. Step 5: Solve for x
    x = 1,019,935,930,964.28/1,279,412.04
  6. Step 6: Final answer
    x = 797,191.13

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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.