Home / 1,300,130.36-1,794,170.13-727,170.53

Finding the Fourth Proportional to 1,300,130.36, 1,794,170.13 and 727,170.53

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Solution

The fourth proportional to 1,300,130.36, 1,794,170.13 and 727,170.53 is: 1,003,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,130.36 : 1,794,170.13 = 727,170.53 : x
  2. Step 2: Convert to fraction form
    1,300,130.36/1,794,170.13 = 727,170.53/x
  3. Step 3: Cross multiply
    1,300,130.36x = 1,794,170.13 × 727,170.53
  4. Step 4: Simplify right side
    1,300,130.36x = 1,304,667,644,342.27
  5. Step 5: Solve for x
    x = 1,304,667,644,342.27/1,300,130.36
  6. Step 6: Final answer
    x = 1,003,489.87

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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.