Home / 1,317,820.40-1,974,471.78-884,726.72

Finding the Fourth Proportional to 1,317,820.40, 1,974,471.78 and 884,726.72

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Solution

The fourth proportional to 1,317,820.40, 1,974,471.78 and 884,726.72 is: 1,325,573.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,820.40 : 1,974,471.78 = 884,726.72 : x
  2. Step 2: Convert to fraction form
    1,317,820.40/1,974,471.78 = 884,726.72/x
  3. Step 3: Cross multiply
    1,317,820.40x = 1,974,471.78 × 884,726.72
  4. Step 4: Simplify right side
    1,317,820.40x = 1,746,867,941,651.96
  5. Step 5: Solve for x
    x = 1,746,867,941,651.96/1,317,820.40
  6. Step 6: Final answer
    x = 1,325,573.61

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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.