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Finding the Fourth Proportional to 1,295,876.90, 1,943,815.35 and 822,901.70

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Solution

The fourth proportional to 1,295,876.90, 1,943,815.35 and 822,901.70 is: 1,234,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,876.90 : 1,943,815.35 = 822,901.70 : x
  2. Step 2: Convert to fraction form
    1,295,876.90/1,943,815.35 = 822,901.70/x
  3. Step 3: Cross multiply
    1,295,876.90x = 1,943,815.35 × 822,901.70
  4. Step 4: Simplify right side
    1,295,876.90x = 1,599,568,956,001.10
  5. Step 5: Solve for x
    x = 1,599,568,956,001.10/1,295,876.90
  6. Step 6: Final answer
    x = 1,234,352.55

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Similar ratio
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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.