Home / 1,317,274.40-1,974,745.20-868,210.40

Finding the Fourth Proportional to 1,317,274.40, 1,974,745.20 and 868,210.40

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Solution

The fourth proportional to 1,317,274.40, 1,974,745.20 and 868,210.40 is: 1,301,546.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,274.40 : 1,974,745.20 = 868,210.40 : x
  2. Step 2: Convert to fraction form
    1,317,274.40/1,974,745.20 = 868,210.40/x
  3. Step 3: Cross multiply
    1,317,274.40x = 1,974,745.20 × 868,210.40
  4. Step 4: Simplify right side
    1,317,274.40x = 1,714,494,319,990.08
  5. Step 5: Solve for x
    x = 1,714,494,319,990.08/1,317,274.40
  6. Step 6: Final answer
    x = 1,301,546.83

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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.