Home / 1,325,301.50-1,828,865.86-809,917.34

Finding the Fourth Proportional to 1,325,301.50, 1,828,865.86 and 809,917.34

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Solution

The fourth proportional to 1,325,301.50, 1,828,865.86 and 809,917.34 is: 1,117,655.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,301.50 : 1,828,865.86 = 809,917.34 : x
  2. Step 2: Convert to fraction form
    1,325,301.50/1,828,865.86 = 809,917.34/x
  3. Step 3: Cross multiply
    1,325,301.50x = 1,828,865.86 × 809,917.34
  4. Step 4: Simplify right side
    1,325,301.50x = 1,481,230,161,378.89
  5. Step 5: Solve for x
    x = 1,481,230,161,378.89/1,325,301.50
  6. Step 6: Final answer
    x = 1,117,655.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.