Home / 1,079,454.72-1,490,091.12-736,422.96

Finding the Fourth Proportional to 1,079,454.72, 1,490,091.12 and 736,422.96

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Solution

The fourth proportional to 1,079,454.72, 1,490,091.12 and 736,422.96 is: 1,016,566.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,454.72 : 1,490,091.12 = 736,422.96 : x
  2. Step 2: Convert to fraction form
    1,079,454.72/1,490,091.12 = 736,422.96/x
  3. Step 3: Cross multiply
    1,079,454.72x = 1,490,091.12 × 736,422.96
  4. Step 4: Simplify right side
    1,079,454.72x = 1,097,337,313,260.12
  5. Step 5: Solve for x
    x = 1,097,337,313,260.12/1,079,454.72
  6. Step 6: Final answer
    x = 1,016,566.32

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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.