Home / 1,890,664.72-2,836,126.31-542,723.67

Finding the Fourth Proportional to 1,890,664.72, 2,836,126.31 and 542,723.67

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Solution

The fourth proportional to 1,890,664.72, 2,836,126.31 and 542,723.67 is: 814,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,664.72 : 2,836,126.31 = 542,723.67 : x
  2. Step 2: Convert to fraction form
    1,890,664.72/2,836,126.31 = 542,723.67/x
  3. Step 3: Cross multiply
    1,890,664.72x = 2,836,126.31 × 542,723.67
  4. Step 4: Simplify right side
    1,890,664.72x = 1,539,232,876,833.14
  5. Step 5: Solve for x
    x = 1,539,232,876,833.14/1,890,664.72
  6. Step 6: Final answer
    x = 814,122.60

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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.