Home / 1,263,842.64-1,744,103.04-690,885.12

Finding the Fourth Proportional to 1,263,842.64, 1,744,103.04 and 690,885.12

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Solution

The fourth proportional to 1,263,842.64, 1,744,103.04 and 690,885.12 is: 953,421.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,842.64 : 1,744,103.04 = 690,885.12 : x
  2. Step 2: Convert to fraction form
    1,263,842.64/1,744,103.04 = 690,885.12/x
  3. Step 3: Cross multiply
    1,263,842.64x = 1,744,103.04 × 690,885.12
  4. Step 4: Simplify right side
    1,263,842.64x = 1,204,974,838,082.76
  5. Step 5: Solve for x
    x = 1,204,974,838,082.76/1,263,842.64
  6. Step 6: Final answer
    x = 953,421.57

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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.