Home / 1,332,004.40-1,998,006.60-1,209,969.80

Finding the Fourth Proportional to 1,332,004.40, 1,998,006.60 and 1,209,969.80

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Solution

The fourth proportional to 1,332,004.40, 1,998,006.60 and 1,209,969.80 is: 1,814,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,004.40 : 1,998,006.60 = 1,209,969.80 : x
  2. Step 2: Convert to fraction form
    1,332,004.40/1,998,006.60 = 1,209,969.80/x
  3. Step 3: Cross multiply
    1,332,004.40x = 1,998,006.60 × 1,209,969.80
  4. Step 4: Simplify right side
    1,332,004.40x = 2,417,527,646,200.68
  5. Step 5: Solve for x
    x = 2,417,527,646,200.68/1,332,004.40
  6. Step 6: Final answer
    x = 1,814,954.70

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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.