Home / 1,300,867.54-1,951,301.31-857,531.86

Finding the Fourth Proportional to 1,300,867.54, 1,951,301.31 and 857,531.86

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Solution

The fourth proportional to 1,300,867.54, 1,951,301.31 and 857,531.86 is: 1,286,297.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,867.54 : 1,951,301.31 = 857,531.86 : x
  2. Step 2: Convert to fraction form
    1,300,867.54/1,951,301.31 = 857,531.86/x
  3. Step 3: Cross multiply
    1,300,867.54x = 1,951,301.31 × 857,531.86
  4. Step 4: Simplify right side
    1,300,867.54x = 1,673,303,041,784.74
  5. Step 5: Solve for x
    x = 1,673,303,041,784.74/1,300,867.54
  6. Step 6: Final answer
    x = 1,286,297.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.