Home / 1,489,498.90-2,234,831.55-542,965.30

Finding the Fourth Proportional to 1,489,498.90, 2,234,831.55 and 542,965.30

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Solution

The fourth proportional to 1,489,498.90, 2,234,831.55 and 542,965.30 is: 814,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,498.90 : 2,234,831.55 = 542,965.30 : x
  2. Step 2: Convert to fraction form
    1,489,498.90/2,234,831.55 = 542,965.30/x
  3. Step 3: Cross multiply
    1,489,498.90x = 2,234,831.55 × 542,965.30
  4. Step 4: Simplify right side
    1,489,498.90x = 1,213,435,982,995.22
  5. Step 5: Solve for x
    x = 1,213,435,982,995.22/1,489,498.90
  6. Step 6: Final answer
    x = 814,660.54

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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.