Home / 1,121,484.26-1,680,503.52-761,186.54

Finding the Fourth Proportional to 1,121,484.26, 1,680,503.52 and 761,186.54

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Solution

The fourth proportional to 1,121,484.26, 1,680,503.52 and 761,186.54 is: 1,140,610.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,484.26 : 1,680,503.52 = 761,186.54 : x
  2. Step 2: Convert to fraction form
    1,121,484.26/1,680,503.52 = 761,186.54/x
  3. Step 3: Cross multiply
    1,121,484.26x = 1,680,503.52 × 761,186.54
  4. Step 4: Simplify right side
    1,121,484.26x = 1,279,176,659,846.62
  5. Step 5: Solve for x
    x = 1,279,176,659,846.62/1,121,484.26
  6. Step 6: Final answer
    x = 1,140,610.44

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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.