Home / 1,341,091.20-2,013,969.60-1,299,100.80

Finding the Fourth Proportional to 1,341,091.20, 2,013,969.60 and 1,299,100.80

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Solution

The fourth proportional to 1,341,091.20, 2,013,969.60 and 1,299,100.80 is: 1,950,910.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,091.20 : 2,013,969.60 = 1,299,100.80 : x
  2. Step 2: Convert to fraction form
    1,341,091.20/2,013,969.60 = 1,299,100.80/x
  3. Step 3: Cross multiply
    1,341,091.20x = 2,013,969.60 × 1,299,100.80
  4. Step 4: Simplify right side
    1,341,091.20x = 2,616,349,518,535.68
  5. Step 5: Solve for x
    x = 2,616,349,518,535.68/1,341,091.20
  6. Step 6: Final answer
    x = 1,950,910.96

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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.