Home / 1,008,715.24-1,512,777.60-830,780.92

Finding the Fourth Proportional to 1,008,715.24, 1,512,777.60 and 830,780.92

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Solution

The fourth proportional to 1,008,715.24, 1,512,777.60 and 830,780.92 is: 1,245,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,715.24 : 1,512,777.60 = 830,780.92 : x
  2. Step 2: Convert to fraction form
    1,008,715.24/1,512,777.60 = 830,780.92/x
  3. Step 3: Cross multiply
    1,008,715.24x = 1,512,777.60 × 830,780.92
  4. Step 4: Simplify right side
    1,008,715.24x = 1,256,786,766,283.39
  5. Step 5: Solve for x
    x = 1,256,786,766,283.39/1,008,715.24
  6. Step 6: Final answer
    x = 1,245,928.20

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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.