Home / 1,170,415.50-1,615,304.88-661,150.68

Finding the Fourth Proportional to 1,170,415.50, 1,615,304.88 and 661,150.68

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Solution

The fourth proportional to 1,170,415.50, 1,615,304.88 and 661,150.68 is: 912,462.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,415.50 : 1,615,304.88 = 661,150.68 : x
  2. Step 2: Convert to fraction form
    1,170,415.50/1,615,304.88 = 661,150.68/x
  3. Step 3: Cross multiply
    1,170,415.50x = 1,615,304.88 × 661,150.68
  4. Step 4: Simplify right side
    1,170,415.50x = 1,067,959,919,819.32
  5. Step 5: Solve for x
    x = 1,067,959,919,819.32/1,170,415.50
  6. Step 6: Final answer
    x = 912,462.22

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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.