Home / 877,110.60-1,315,665.90-811,500.60

Finding the Fourth Proportional to 877,110.60, 1,315,665.90 and 811,500.60

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Solution

The fourth proportional to 877,110.60, 1,315,665.90 and 811,500.60 is: 1,217,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,110.60 : 1,315,665.90 = 811,500.60 : x
  2. Step 2: Convert to fraction form
    877,110.60/1,315,665.90 = 811,500.60/x
  3. Step 3: Cross multiply
    877,110.60x = 1,315,665.90 × 811,500.60
  4. Step 4: Simplify right side
    877,110.60x = 1,067,663,667,249.54
  5. Step 5: Solve for x
    x = 1,067,663,667,249.54/877,110.60
  6. Step 6: Final answer
    x = 1,217,250.90

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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.