Home / 1,115,304.56-1,672,016.40-483,742.72

Finding the Fourth Proportional to 1,115,304.56, 1,672,016.40 and 483,742.72

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Solution

The fourth proportional to 1,115,304.56, 1,672,016.40 and 483,742.72 is: 725,206.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,304.56 : 1,672,016.40 = 483,742.72 : x
  2. Step 2: Convert to fraction form
    1,115,304.56/1,672,016.40 = 483,742.72/x
  3. Step 3: Cross multiply
    1,115,304.56x = 1,672,016.40 × 483,742.72
  4. Step 4: Simplify right side
    1,115,304.56x = 808,825,761,220.61
  5. Step 5: Solve for x
    x = 808,825,761,220.61/1,115,304.56
  6. Step 6: Final answer
    x = 725,206.18

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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.