Home / 1,331,446.20-1,997,169.30-906,293.40

Finding the Fourth Proportional to 1,331,446.20, 1,997,169.30 and 906,293.40

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Solution

The fourth proportional to 1,331,446.20, 1,997,169.30 and 906,293.40 is: 1,359,440.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,446.20 : 1,997,169.30 = 906,293.40 : x
  2. Step 2: Convert to fraction form
    1,331,446.20/1,997,169.30 = 906,293.40/x
  3. Step 3: Cross multiply
    1,331,446.20x = 1,997,169.30 × 906,293.40
  4. Step 4: Simplify right side
    1,331,446.20x = 1,810,021,355,272.62
  5. Step 5: Solve for x
    x = 1,810,021,355,272.62/1,331,446.20
  6. Step 6: Final answer
    x = 1,359,440.10

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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.