Home / 1,170,757.32-1,615,676.59-661,448.76

Finding the Fourth Proportional to 1,170,757.32, 1,615,676.59 and 661,448.76

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Solution

The fourth proportional to 1,170,757.32, 1,615,676.59 and 661,448.76 is: 912,817.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,757.32 : 1,615,676.59 = 661,448.76 : x
  2. Step 2: Convert to fraction form
    1,170,757.32/1,615,676.59 = 661,448.76/x
  3. Step 3: Cross multiply
    1,170,757.32x = 1,615,676.59 × 661,448.76
  4. Step 4: Simplify right side
    1,170,757.32x = 1,068,687,277,016.53
  5. Step 5: Solve for x
    x = 1,068,687,277,016.53/1,170,757.32
  6. Step 6: Final answer
    x = 912,817.08

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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.