Home / 1,107,377.87-1,661,205.33-433,372.11

Finding the Fourth Proportional to 1,107,377.87, 1,661,205.33 and 433,372.11

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Solution

The fourth proportional to 1,107,377.87, 1,661,205.33 and 433,372.11 is: 650,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,377.87 : 1,661,205.33 = 433,372.11 : x
  2. Step 2: Convert to fraction form
    1,107,377.87/1,661,205.33 = 433,372.11/x
  3. Step 3: Cross multiply
    1,107,377.87x = 1,661,205.33 × 433,372.11
  4. Step 4: Simplify right side
    1,107,377.87x = 719,920,059,005.35
  5. Step 5: Solve for x
    x = 719,920,059,005.35/1,107,377.87
  6. Step 6: Final answer
    x = 650,112.38

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1.5x scale

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.