Home / 852,246.40-1,278,369.60-838,249.60

Finding the Fourth Proportional to 852,246.40, 1,278,369.60 and 838,249.60

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Solution

The fourth proportional to 852,246.40, 1,278,369.60 and 838,249.60 is: 1,257,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,246.40 : 1,278,369.60 = 838,249.60 : x
  2. Step 2: Convert to fraction form
    852,246.40/1,278,369.60 = 838,249.60/x
  3. Step 3: Cross multiply
    852,246.40x = 1,278,369.60 × 838,249.60
  4. Step 4: Simplify right side
    852,246.40x = 1,071,592,805,852.16
  5. Step 5: Solve for x
    x = 1,071,592,805,852.16/852,246.40
  6. Step 6: Final answer
    x = 1,257,374.40

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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.