Home / 1,511,132.40-2,085,400.08-822,841.95

Finding the Fourth Proportional to 1,511,132.40, 2,085,400.08 and 822,841.95

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Solution

The fourth proportional to 1,511,132.40, 2,085,400.08 and 822,841.95 is: 1,135,542.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,132.40 : 2,085,400.08 = 822,841.95 : x
  2. Step 2: Convert to fraction form
    1,511,132.40/2,085,400.08 = 822,841.95/x
  3. Step 3: Cross multiply
    1,511,132.40x = 2,085,400.08 × 822,841.95
  4. Step 4: Simplify right side
    1,511,132.40x = 1,715,954,668,357.36
  5. Step 5: Solve for x
    x = 1,715,954,668,357.36/1,511,132.40
  6. Step 6: Final answer
    x = 1,135,542.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.