Home / 1,079,406.10-1,619,109.15-331,354.90

Finding the Fourth Proportional to 1,079,406.10, 1,619,109.15 and 331,354.90

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Solution

The fourth proportional to 1,079,406.10, 1,619,109.15 and 331,354.90 is: 497,032.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,406.10 : 1,619,109.15 = 331,354.90 : x
  2. Step 2: Convert to fraction form
    1,079,406.10/1,619,109.15 = 331,354.90/x
  3. Step 3: Cross multiply
    1,079,406.10x = 1,619,109.15 × 331,354.90
  4. Step 4: Simplify right side
    1,079,406.10x = 536,499,750,487.34
  5. Step 5: Solve for x
    x = 536,499,750,487.34/1,079,406.10
  6. Step 6: Final answer
    x = 497,032.35

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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.