Home / 1,217,758.43-1,680,490.02-673,861.08

Finding the Fourth Proportional to 1,217,758.43, 1,680,490.02 and 673,861.08

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Solution

The fourth proportional to 1,217,758.43, 1,680,490.02 and 673,861.08 is: 929,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,758.43 : 1,680,490.02 = 673,861.08 : x
  2. Step 2: Convert to fraction form
    1,217,758.43/1,680,490.02 = 673,861.08/x
  3. Step 3: Cross multiply
    1,217,758.43x = 1,680,490.02 × 673,861.08
  4. Step 4: Simplify right side
    1,217,758.43x = 1,132,416,819,806.42
  5. Step 5: Solve for x
    x = 1,132,416,819,806.42/1,217,758.43
  6. Step 6: Final answer
    x = 929,919.10

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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.