Home / 1,256,409.20-1,882,540.20-1,069,785.20

Finding the Fourth Proportional to 1,256,409.20, 1,882,540.20 and 1,069,785.20

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Solution

The fourth proportional to 1,256,409.20, 1,882,540.20 and 1,069,785.20 is: 1,602,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,409.20 : 1,882,540.20 = 1,069,785.20 : x
  2. Step 2: Convert to fraction form
    1,256,409.20/1,882,540.20 = 1,069,785.20/x
  3. Step 3: Cross multiply
    1,256,409.20x = 1,882,540.20 × 1,069,785.20
  4. Step 4: Simplify right side
    1,256,409.20x = 2,013,913,644,365.04
  5. Step 5: Solve for x
    x = 2,013,913,644,365.04/1,256,409.20
  6. Step 6: Final answer
    x = 1,602,912.21

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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.