Home / 1,256,901.92-1,734,222.08-740,676.96

Finding the Fourth Proportional to 1,256,901.92, 1,734,222.08 and 740,676.96

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Solution

The fourth proportional to 1,256,901.92, 1,734,222.08 and 740,676.96 is: 1,021,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,901.92 : 1,734,222.08 = 740,676.96 : x
  2. Step 2: Convert to fraction form
    1,256,901.92/1,734,222.08 = 740,676.96/x
  3. Step 3: Cross multiply
    1,256,901.92x = 1,734,222.08 × 740,676.96
  4. Step 4: Simplify right side
    1,256,901.92x = 1,284,498,338,179.28
  5. Step 5: Solve for x
    x = 1,284,498,338,179.28/1,256,901.92
  6. Step 6: Final answer
    x = 1,021,955.90

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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.