Home / 852,010.40-1,278,015.60-712,042.40

Finding the Fourth Proportional to 852,010.40, 1,278,015.60 and 712,042.40

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Solution

The fourth proportional to 852,010.40, 1,278,015.60 and 712,042.40 is: 1,068,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,010.40 : 1,278,015.60 = 712,042.40 : x
  2. Step 2: Convert to fraction form
    852,010.40/1,278,015.60 = 712,042.40/x
  3. Step 3: Cross multiply
    852,010.40x = 1,278,015.60 × 712,042.40
  4. Step 4: Simplify right side
    852,010.40x = 910,001,295,061.44
  5. Step 5: Solve for x
    x = 910,001,295,061.44/852,010.40
  6. Step 6: Final answer
    x = 1,068,063.60

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Similar ratio
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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.