Home / 1,079,402.60-1,619,103.90-331,351.40

Finding the Fourth Proportional to 1,079,402.60, 1,619,103.90 and 331,351.40

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Solution

The fourth proportional to 1,079,402.60, 1,619,103.90 and 331,351.40 is: 497,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,402.60 : 1,619,103.90 = 331,351.40 : x
  2. Step 2: Convert to fraction form
    1,079,402.60/1,619,103.90 = 331,351.40/x
  3. Step 3: Cross multiply
    1,079,402.60x = 1,619,103.90 × 331,351.40
  4. Step 4: Simplify right side
    1,079,402.60x = 536,492,344,010.46
  5. Step 5: Solve for x
    x = 536,492,344,010.46/1,079,402.60
  6. Step 6: Final answer
    x = 497,027.10

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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.