Home / 1,109,158.85-1,530,654.03-625,722.50

Finding the Fourth Proportional to 1,109,158.85, 1,530,654.03 and 625,722.50

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Solution

The fourth proportional to 1,109,158.85, 1,530,654.03 and 625,722.50 is: 863,505.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,158.85 : 1,530,654.03 = 625,722.50 : x
  2. Step 2: Convert to fraction form
    1,109,158.85/1,530,654.03 = 625,722.50/x
  3. Step 3: Cross multiply
    1,109,158.85x = 1,530,654.03 × 625,722.50
  4. Step 4: Simplify right side
    1,109,158.85x = 957,764,658,633.41
  5. Step 5: Solve for x
    x = 957,764,658,633.41/1,109,158.85
  6. Step 6: Final answer
    x = 863,505.41

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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.