Home / 1,126,948.48-1,555,118.40-617,614.72

Finding the Fourth Proportional to 1,126,948.48, 1,555,118.40 and 617,614.72

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Solution

The fourth proportional to 1,126,948.48, 1,555,118.40 and 617,614.72 is: 852,269.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,948.48 : 1,555,118.40 = 617,614.72 : x
  2. Step 2: Convert to fraction form
    1,126,948.48/1,555,118.40 = 617,614.72/x
  3. Step 3: Cross multiply
    1,126,948.48x = 1,555,118.40 × 617,614.72
  4. Step 4: Simplify right side
    1,126,948.48x = 960,464,015,182.85
  5. Step 5: Solve for x
    x = 960,464,015,182.85/1,126,948.48
  6. Step 6: Final answer
    x = 852,269.68

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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.