Home / 1,272,979.52-1,756,724.64-700,023.92

Finding the Fourth Proportional to 1,272,979.52, 1,756,724.64 and 700,023.92

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Solution

The fourth proportional to 1,272,979.52, 1,756,724.64 and 700,023.92 is: 966,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,979.52 : 1,756,724.64 = 700,023.92 : x
  2. Step 2: Convert to fraction form
    1,272,979.52/1,756,724.64 = 700,023.92/x
  3. Step 3: Cross multiply
    1,272,979.52x = 1,756,724.64 × 700,023.92
  4. Step 4: Simplify right side
    1,272,979.52x = 1,229,749,268,853.39
  5. Step 5: Solve for x
    x = 1,229,749,268,853.39/1,272,979.52
  6. Step 6: Final answer
    x = 966,040.10

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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.