Home / 1,486,342.92-2,052,003.06-978,521.52

Finding the Fourth Proportional to 1,486,342.92, 2,052,003.06 and 978,521.52

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Solution

The fourth proportional to 1,486,342.92, 2,052,003.06 and 978,521.52 is: 1,350,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,342.92 : 2,052,003.06 = 978,521.52 : x
  2. Step 2: Convert to fraction form
    1,486,342.92/2,052,003.06 = 978,521.52/x
  3. Step 3: Cross multiply
    1,486,342.92x = 2,052,003.06 × 978,521.52
  4. Step 4: Simplify right side
    1,486,342.92x = 2,007,929,153,315.85
  5. Step 5: Solve for x
    x = 2,007,929,153,315.85/1,486,342.92
  6. Step 6: Final answer
    x = 1,350,919.18

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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.