Home / 1,819,782.40-2,729,575.20-557,613.76

Finding the Fourth Proportional to 1,819,782.40, 2,729,575.20 and 557,613.76

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Solution

The fourth proportional to 1,819,782.40, 2,729,575.20 and 557,613.76 is: 836,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,782.40 : 2,729,575.20 = 557,613.76 : x
  2. Step 2: Convert to fraction form
    1,819,782.40/2,729,575.20 = 557,613.76/x
  3. Step 3: Cross multiply
    1,819,782.40x = 2,729,575.20 × 557,613.76
  4. Step 4: Simplify right side
    1,819,782.40x = 1,522,048,690,474.75
  5. Step 5: Solve for x
    x = 1,522,048,690,474.75/1,819,782.40
  6. Step 6: Final answer
    x = 836,390.49

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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.