Home / 1,049,775.20-1,575,051.60-419,141.60

Finding the Fourth Proportional to 1,049,775.20, 1,575,051.60 and 419,141.60

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Solution

The fourth proportional to 1,049,775.20, 1,575,051.60 and 419,141.60 is: 628,867.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,775.20 : 1,575,051.60 = 419,141.60 : x
  2. Step 2: Convert to fraction form
    1,049,775.20/1,575,051.60 = 419,141.60/x
  3. Step 3: Cross multiply
    1,049,775.20x = 1,575,051.60 × 419,141.60
  4. Step 4: Simplify right side
    1,049,775.20x = 660,169,647,706.56
  5. Step 5: Solve for x
    x = 660,169,647,706.56/1,049,775.20
  6. Step 6: Final answer
    x = 628,867.64

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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.