Home / 1,320,159.11-1,822,103.81-804,083.15

Finding the Fourth Proportional to 1,320,159.11, 1,822,103.81 and 804,083.15

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Solution

The fourth proportional to 1,320,159.11, 1,822,103.81 and 804,083.15 is: 1,109,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,159.11 : 1,822,103.81 = 804,083.15 : x
  2. Step 2: Convert to fraction form
    1,320,159.11/1,822,103.81 = 804,083.15/x
  3. Step 3: Cross multiply
    1,320,159.11x = 1,822,103.81 × 804,083.15
  4. Step 4: Simplify right side
    1,320,159.11x = 1,465,122,971,171.80
  5. Step 5: Solve for x
    x = 1,465,122,971,171.80/1,320,159.11
  6. Step 6: Final answer
    x = 1,109,807.87

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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.