Home / 1,049,635.90-1,575,231.45-419,002.30

Finding the Fourth Proportional to 1,049,635.90, 1,575,231.45 and 419,002.30

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Solution

The fourth proportional to 1,049,635.90, 1,575,231.45 and 419,002.30 is: 628,813.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,635.90 : 1,575,231.45 = 419,002.30 : x
  2. Step 2: Convert to fraction form
    1,049,635.90/1,575,231.45 = 419,002.30/x
  3. Step 3: Cross multiply
    1,049,635.90x = 1,575,231.45 × 419,002.30
  4. Step 4: Simplify right side
    1,049,635.90x = 660,025,600,582.34
  5. Step 5: Solve for x
    x = 660,025,600,582.34/1,049,635.90
  6. Step 6: Final answer
    x = 628,813.86

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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.