Home / 852,242.40-1,278,363.60-838,245.60

Finding the Fourth Proportional to 852,242.40, 1,278,363.60 and 838,245.60

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Solution

The fourth proportional to 852,242.40, 1,278,363.60 and 838,245.60 is: 1,257,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,242.40 : 1,278,363.60 = 838,245.60 : x
  2. Step 2: Convert to fraction form
    852,242.40/1,278,363.60 = 838,245.60/x
  3. Step 3: Cross multiply
    852,242.40x = 1,278,363.60 × 838,245.60
  4. Step 4: Simplify right side
    852,242.40x = 1,071,582,662,900.16
  5. Step 5: Solve for x
    x = 1,071,582,662,900.16/852,242.40
  6. Step 6: Final answer
    x = 1,257,368.40

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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.