Home / 1,283,506.80-1,925,260.20-885,375.60

Finding the Fourth Proportional to 1,283,506.80, 1,925,260.20 and 885,375.60

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Solution

The fourth proportional to 1,283,506.80, 1,925,260.20 and 885,375.60 is: 1,328,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,506.80 : 1,925,260.20 = 885,375.60 : x
  2. Step 2: Convert to fraction form
    1,283,506.80/1,925,260.20 = 885,375.60/x
  3. Step 3: Cross multiply
    1,283,506.80x = 1,925,260.20 × 885,375.60
  4. Step 4: Simplify right side
    1,283,506.80x = 1,704,578,404,731.12
  5. Step 5: Solve for x
    x = 1,704,578,404,731.12/1,283,506.80
  6. Step 6: Final answer
    x = 1,328,063.40

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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.