Home / 818,610.88-1,121,500.90-787,929.59

Finding the Fourth Proportional to 818,610.88, 1,121,500.90 and 787,929.59

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Solution

The fourth proportional to 818,610.88, 1,121,500.90 and 787,929.59 is: 1,079,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,610.88 : 1,121,500.90 = 787,929.59 : x
  2. Step 2: Convert to fraction form
    818,610.88/1,121,500.90 = 787,929.59/x
  3. Step 3: Cross multiply
    818,610.88x = 1,121,500.90 × 787,929.59
  4. Step 4: Simplify right side
    818,610.88x = 883,663,740,381.98
  5. Step 5: Solve for x
    x = 883,663,740,381.98/818,610.88
  6. Step 6: Final answer
    x = 1,079,467.38

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.