Home / 1,324,749.28-1,828,393.26-780,853.72

Finding the Fourth Proportional to 1,324,749.28, 1,828,393.26 and 780,853.72

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Solution

The fourth proportional to 1,324,749.28, 1,828,393.26 and 780,853.72 is: 1,077,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,749.28 : 1,828,393.26 = 780,853.72 : x
  2. Step 2: Convert to fraction form
    1,324,749.28/1,828,393.26 = 780,853.72/x
  3. Step 3: Cross multiply
    1,324,749.28x = 1,828,393.26 × 780,853.72
  4. Step 4: Simplify right side
    1,324,749.28x = 1,427,707,678,693.93
  5. Step 5: Solve for x
    x = 1,427,707,678,693.93/1,324,749.28
  6. Step 6: Final answer
    x = 1,077,719.16

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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.