Home / 810,177.20-1,213,516.20-705,201.20

Finding the Fourth Proportional to 810,177.20, 1,213,516.20 and 705,201.20

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Solution

The fourth proportional to 810,177.20, 1,213,516.20 and 705,201.20 is: 1,056,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,177.20 : 1,213,516.20 = 705,201.20 : x
  2. Step 2: Convert to fraction form
    810,177.20/1,213,516.20 = 705,201.20/x
  3. Step 3: Cross multiply
    810,177.20x = 1,213,516.20 × 705,201.20
  4. Step 4: Simplify right side
    810,177.20x = 855,773,080,459.44
  5. Step 5: Solve for x
    x = 855,773,080,459.44/810,177.20
  6. Step 6: Final answer
    x = 1,056,278.90

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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.