Home / 1,238,736.20-1,857,666.90-440,043.80

Finding the Fourth Proportional to 1,238,736.20, 1,857,666.90 and 440,043.80

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Solution

The fourth proportional to 1,238,736.20, 1,857,666.90 and 440,043.80 is: 659,910.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,736.20 : 1,857,666.90 = 440,043.80 : x
  2. Step 2: Convert to fraction form
    1,238,736.20/1,857,666.90 = 440,043.80/x
  3. Step 3: Cross multiply
    1,238,736.20x = 1,857,666.90 × 440,043.80
  4. Step 4: Simplify right side
    1,238,736.20x = 817,454,801,810.22
  5. Step 5: Solve for x
    x = 817,454,801,810.22/1,238,736.20
  6. Step 6: Final answer
    x = 659,910.32

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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.