Home / 1,049,765.90-1,574,648.85-419,132.30

Finding the Fourth Proportional to 1,049,765.90, 1,574,648.85 and 419,132.30

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Solution

The fourth proportional to 1,049,765.90, 1,574,648.85 and 419,132.30 is: 628,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,765.90 : 1,574,648.85 = 419,132.30 : x
  2. Step 2: Convert to fraction form
    1,049,765.90/1,574,648.85 = 419,132.30/x
  3. Step 3: Cross multiply
    1,049,765.90x = 1,574,648.85 × 419,132.30
  4. Step 4: Simplify right side
    1,049,765.90x = 659,986,194,192.86
  5. Step 5: Solve for x
    x = 659,986,194,192.86/1,049,765.90
  6. Step 6: Final answer
    x = 628,698.45

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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.