Home / 1,126,199.24-1,554,180.05-642,754.69

Finding the Fourth Proportional to 1,126,199.24, 1,554,180.05 and 642,754.69

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Solution

The fourth proportional to 1,126,199.24, 1,554,180.05 and 642,754.69 is: 887,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,199.24 : 1,554,180.05 = 642,754.69 : x
  2. Step 2: Convert to fraction form
    1,126,199.24/1,554,180.05 = 642,754.69/x
  3. Step 3: Cross multiply
    1,126,199.24x = 1,554,180.05 × 642,754.69
  4. Step 4: Simplify right side
    1,126,199.24x = 998,956,515,438.49
  5. Step 5: Solve for x
    x = 998,956,515,438.49/1,126,199.24
  6. Step 6: Final answer
    x = 887,015.80

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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.