Home / 1,121,000.66-1,546,290.48-798,814.86

Finding the Fourth Proportional to 1,121,000.66, 1,546,290.48 and 798,814.86

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Solution

The fourth proportional to 1,121,000.66, 1,546,290.48 and 798,814.86 is: 1,101,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,000.66 : 1,546,290.48 = 798,814.86 : x
  2. Step 2: Convert to fraction form
    1,121,000.66/1,546,290.48 = 798,814.86/x
  3. Step 3: Cross multiply
    1,121,000.66x = 1,546,290.48 × 798,814.86
  4. Step 4: Simplify right side
    1,121,000.66x = 1,235,199,816,948.72
  5. Step 5: Solve for x
    x = 1,235,199,816,948.72/1,121,000.66
  6. Step 6: Final answer
    x = 1,101,872.51

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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.