Home / 1,299,975.90-1,793,965.38-727,016.10

Finding the Fourth Proportional to 1,299,975.90, 1,793,965.38 and 727,016.10

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Solution

The fourth proportional to 1,299,975.90, 1,793,965.38 and 727,016.10 is: 1,003,281.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,975.90 : 1,793,965.38 = 727,016.10 : x
  2. Step 2: Convert to fraction form
    1,299,975.90/1,793,965.38 = 727,016.10/x
  3. Step 3: Cross multiply
    1,299,975.90x = 1,793,965.38 × 727,016.10
  4. Step 4: Simplify right side
    1,299,975.90x = 1,304,241,714,102.62
  5. Step 5: Solve for x
    x = 1,304,241,714,102.62/1,299,975.90
  6. Step 6: Final answer
    x = 1,003,281.46

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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.