Home / 1,278,388.84-1,915,742.22-879,480.04

Finding the Fourth Proportional to 1,278,388.84, 1,915,742.22 and 879,480.04

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Solution

The fourth proportional to 1,278,388.84, 1,915,742.22 and 879,480.04 is: 1,317,953.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,388.84 : 1,915,742.22 = 879,480.04 : x
  2. Step 2: Convert to fraction form
    1,278,388.84/1,915,742.22 = 879,480.04/x
  3. Step 3: Cross multiply
    1,278,388.84x = 1,915,742.22 × 879,480.04
  4. Step 4: Simplify right side
    1,278,388.84x = 1,684,857,044,275.29
  5. Step 5: Solve for x
    x = 1,684,857,044,275.29/1,278,388.84
  6. Step 6: Final answer
    x = 1,317,953.50

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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.