Home / 1,209,727.80-1,815,247.80-499,827.60

Finding the Fourth Proportional to 1,209,727.80, 1,815,247.80 and 499,827.60

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Solution

The fourth proportional to 1,209,727.80, 1,815,247.80 and 499,827.60 is: 750,012.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,727.80 : 1,815,247.80 = 499,827.60 : x
  2. Step 2: Convert to fraction form
    1,209,727.80/1,815,247.80 = 499,827.60/x
  3. Step 3: Cross multiply
    1,209,727.80x = 1,815,247.80 × 499,827.60
  4. Step 4: Simplify right side
    1,209,727.80x = 907,310,951,279.28
  5. Step 5: Solve for x
    x = 907,310,951,279.28/1,209,727.80
  6. Step 6: Final answer
    x = 750,012.48

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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.