Home / 1,298,479.32-1,791,867.74-725,523.48

Finding the Fourth Proportional to 1,298,479.32, 1,791,867.74 and 725,523.48

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Solution

The fourth proportional to 1,298,479.32, 1,791,867.74 and 725,523.48 is: 1,001,203.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,479.32 : 1,791,867.74 = 725,523.48 : x
  2. Step 2: Convert to fraction form
    1,298,479.32/1,791,867.74 = 725,523.48/x
  3. Step 3: Cross multiply
    1,298,479.32x = 1,791,867.74 × 725,523.48
  4. Step 4: Simplify right side
    1,298,479.32x = 1,300,042,118,424.54
  5. Step 5: Solve for x
    x = 1,300,042,118,424.54/1,298,479.32
  6. Step 6: Final answer
    x = 1,001,203.56

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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.