Home / 1,320,157.11-1,822,101.05-804,081.15

Finding the Fourth Proportional to 1,320,157.11, 1,822,101.05 and 804,081.15

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Solution

The fourth proportional to 1,320,157.11, 1,822,101.05 and 804,081.15 is: 1,109,805.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,157.11 : 1,822,101.05 = 804,081.15 : x
  2. Step 2: Convert to fraction form
    1,320,157.11/1,822,101.05 = 804,081.15/x
  3. Step 3: Cross multiply
    1,320,157.11x = 1,822,101.05 × 804,081.15
  4. Step 4: Simplify right side
    1,320,157.11x = 1,465,117,103,679.80
  5. Step 5: Solve for x
    x = 1,465,117,103,679.80/1,320,157.11
  6. Step 6: Final answer
    x = 1,109,805.11

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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.