Home / 1,170,427.56-1,615,321.44-661,162.68

Finding the Fourth Proportional to 1,170,427.56, 1,615,321.44 and 661,162.68

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Solution

The fourth proportional to 1,170,427.56, 1,615,321.44 and 661,162.68 is: 912,478.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,427.56 : 1,615,321.44 = 661,162.68 : x
  2. Step 2: Convert to fraction form
    1,170,427.56/1,615,321.44 = 661,162.68/x
  3. Step 3: Cross multiply
    1,170,427.56x = 1,615,321.44 × 661,162.68
  4. Step 4: Simplify right side
    1,170,427.56x = 1,067,990,252,331.86
  5. Step 5: Solve for x
    x = 1,067,990,252,331.86/1,170,427.56
  6. Step 6: Final answer
    x = 912,478.73

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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.