Home / 1,080,091.40-1,618,193.10-856,920.20

Finding the Fourth Proportional to 1,080,091.40, 1,618,193.10 and 856,920.20

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Solution

The fourth proportional to 1,080,091.40, 1,618,193.10 and 856,920.20 is: 1,283,837.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,091.40 : 1,618,193.10 = 856,920.20 : x
  2. Step 2: Convert to fraction form
    1,080,091.40/1,618,193.10 = 856,920.20/x
  3. Step 3: Cross multiply
    1,080,091.40x = 1,618,193.10 × 856,920.20
  4. Step 4: Simplify right side
    1,080,091.40x = 1,386,662,354,890.62
  5. Step 5: Solve for x
    x = 1,386,662,354,890.62/1,080,091.40
  6. Step 6: Final answer
    x = 1,283,837.97

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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.