Home / 916,941.30-1,372,301.55-804,966.90

Finding the Fourth Proportional to 916,941.30, 1,372,301.55 and 804,966.90

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Solution

The fourth proportional to 916,941.30, 1,372,301.55 and 804,966.90 is: 1,204,719.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,941.30 : 1,372,301.55 = 804,966.90 : x
  2. Step 2: Convert to fraction form
    916,941.30/1,372,301.55 = 804,966.90/x
  3. Step 3: Cross multiply
    916,941.30x = 1,372,301.55 × 804,966.90
  4. Step 4: Simplify right side
    916,941.30x = 1,104,657,324,568.70
  5. Step 5: Solve for x
    x = 1,104,657,324,568.70/916,941.30
  6. Step 6: Final answer
    x = 1,204,719.78

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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.