Home / 1,105,739.28-1,526,391.06-743,373.32

Finding the Fourth Proportional to 1,105,739.28, 1,526,391.06 and 743,373.32

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Solution

The fourth proportional to 1,105,739.28, 1,526,391.06 and 743,373.32 is: 1,026,171.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,739.28 : 1,526,391.06 = 743,373.32 : x
  2. Step 2: Convert to fraction form
    1,105,739.28/1,526,391.06 = 743,373.32/x
  3. Step 3: Cross multiply
    1,105,739.28x = 1,526,391.06 × 743,373.32
  4. Step 4: Simplify right side
    1,105,739.28x = 1,134,678,382,258.56
  5. Step 5: Solve for x
    x = 1,134,678,382,258.56/1,105,739.28
  6. Step 6: Final answer
    x = 1,026,171.72

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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.