Home / 1,242,305.20-1,865,426.10-907,694.20

Finding the Fourth Proportional to 1,242,305.20, 1,865,426.10 and 907,694.20

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Solution

The fourth proportional to 1,242,305.20, 1,865,426.10 and 907,694.20 is: 1,362,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,305.20 : 1,865,426.10 = 907,694.20 : x
  2. Step 2: Convert to fraction form
    1,242,305.20/1,865,426.10 = 907,694.20/x
  3. Step 3: Cross multiply
    1,242,305.20x = 1,865,426.10 × 907,694.20
  4. Step 4: Simplify right side
    1,242,305.20x = 1,693,236,451,498.62
  5. Step 5: Solve for x
    x = 1,693,236,451,498.62/1,242,305.20
  6. Step 6: Final answer
    x = 1,362,979.44

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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.