Home / 1,324,011.60-1,984,462.20-612,536.76

Finding the Fourth Proportional to 1,324,011.60, 1,984,462.20 and 612,536.76

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Solution

The fourth proportional to 1,324,011.60, 1,984,462.20 and 612,536.76 is: 918,085.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,011.60 : 1,984,462.20 = 612,536.76 : x
  2. Step 2: Convert to fraction form
    1,324,011.60/1,984,462.20 = 612,536.76/x
  3. Step 3: Cross multiply
    1,324,011.60x = 1,984,462.20 × 612,536.76
  4. Step 4: Simplify right side
    1,324,011.60x = 1,215,556,046,330.47
  5. Step 5: Solve for x
    x = 1,215,556,046,330.47/1,324,011.60
  6. Step 6: Final answer
    x = 918,085.65

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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.