Home / 1,315,922.15-1,969,391.88-1,102,930.43

Finding the Fourth Proportional to 1,315,922.15, 1,969,391.88 and 1,102,930.43

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Solution

The fourth proportional to 1,315,922.15, 1,969,391.88 and 1,102,930.43 is: 1,650,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,922.15 : 1,969,391.88 = 1,102,930.43 : x
  2. Step 2: Convert to fraction form
    1,315,922.15/1,969,391.88 = 1,102,930.43/x
  3. Step 3: Cross multiply
    1,315,922.15x = 1,969,391.88 × 1,102,930.43
  4. Step 4: Simplify right side
    1,315,922.15x = 2,172,102,223,199.95
  5. Step 5: Solve for x
    x = 2,172,102,223,199.95/1,315,922.15
  6. Step 6: Final answer
    x = 1,650,631.25

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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.