Home / 1,426,754.40-1,969,171.20-1,083,725.76

Finding the Fourth Proportional to 1,426,754.40, 1,969,171.20 and 1,083,725.76

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Solution

The fourth proportional to 1,426,754.40, 1,969,171.20 and 1,083,725.76 is: 1,495,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,754.40 : 1,969,171.20 = 1,083,725.76 : x
  2. Step 2: Convert to fraction form
    1,426,754.40/1,969,171.20 = 1,083,725.76/x
  3. Step 3: Cross multiply
    1,426,754.40x = 1,969,171.20 × 1,083,725.76
  4. Step 4: Simplify right side
    1,426,754.40x = 2,134,041,555,290.11
  5. Step 5: Solve for x
    x = 2,134,041,555,290.11/1,426,754.40
  6. Step 6: Final answer
    x = 1,495,731.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.