Home / 1,317,310.40-1,974,799.20-868,246.40

Finding the Fourth Proportional to 1,317,310.40, 1,974,799.20 and 868,246.40

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Solution

The fourth proportional to 1,317,310.40, 1,974,799.20 and 868,246.40 is: 1,301,600.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,310.40 : 1,974,799.20 = 868,246.40 : x
  2. Step 2: Convert to fraction form
    1,317,310.40/1,974,799.20 = 868,246.40/x
  3. Step 3: Cross multiply
    1,317,310.40x = 1,974,799.20 × 868,246.40
  4. Step 4: Simplify right side
    1,317,310.40x = 1,714,612,296,122.88
  5. Step 5: Solve for x
    x = 1,714,612,296,122.88/1,317,310.40
  6. Step 6: Final answer
    x = 1,301,600.82

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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.