Home / 1,049,808.20-1,575,101.10-419,174.60

Finding the Fourth Proportional to 1,049,808.20, 1,575,101.10 and 419,174.60

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Solution

The fourth proportional to 1,049,808.20, 1,575,101.10 and 419,174.60 is: 628,917.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,808.20 : 1,575,101.10 = 419,174.60 : x
  2. Step 2: Convert to fraction form
    1,049,808.20/1,575,101.10 = 419,174.60/x
  3. Step 3: Cross multiply
    1,049,808.20x = 1,575,101.10 × 419,174.60
  4. Step 4: Simplify right side
    1,049,808.20x = 660,242,373,552.06
  5. Step 5: Solve for x
    x = 660,242,373,552.06/1,049,808.20
  6. Step 6: Final answer
    x = 628,917.14

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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.