Home / 1,357,549.20-1,873,308.60-784,626.48

Finding the Fourth Proportional to 1,357,549.20, 1,873,308.60 and 784,626.48

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Solution

The fourth proportional to 1,357,549.20, 1,873,308.60 and 784,626.48 is: 1,082,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,549.20 : 1,873,308.60 = 784,626.48 : x
  2. Step 2: Convert to fraction form
    1,357,549.20/1,873,308.60 = 784,626.48/x
  3. Step 3: Cross multiply
    1,357,549.20x = 1,873,308.60 × 784,626.48
  4. Step 4: Simplify right side
    1,357,549.20x = 1,469,847,532,771.73
  5. Step 5: Solve for x
    x = 1,469,847,532,771.73/1,357,549.20
  6. Step 6: Final answer
    x = 1,082,721.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.