Home / 1,028,247.96-1,541,365.21-429,380.39

Finding the Fourth Proportional to 1,028,247.96, 1,541,365.21 and 429,380.39

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Solution

The fourth proportional to 1,028,247.96, 1,541,365.21 and 429,380.39 is: 643,650.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,247.96 : 1,541,365.21 = 429,380.39 : x
  2. Step 2: Convert to fraction form
    1,028,247.96/1,541,365.21 = 429,380.39/x
  3. Step 3: Cross multiply
    1,028,247.96x = 1,541,365.21 × 429,380.39
  4. Step 4: Simplify right side
    1,028,247.96x = 661,831,989,514.56
  5. Step 5: Solve for x
    x = 661,831,989,514.56/1,028,247.96
  6. Step 6: Final answer
    x = 643,650.18

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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.