Home / 1,325,272.96-1,828,828.02-809,889.34

Finding the Fourth Proportional to 1,325,272.96, 1,828,828.02 and 809,889.34

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Solution

The fourth proportional to 1,325,272.96, 1,828,828.02 and 809,889.34 is: 1,117,617.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,272.96 : 1,828,828.02 = 809,889.34 : x
  2. Step 2: Convert to fraction form
    1,325,272.96/1,828,828.02 = 809,889.34/x
  3. Step 3: Cross multiply
    1,325,272.96x = 1,828,828.02 × 809,889.34
  4. Step 4: Simplify right side
    1,325,272.96x = 1,481,148,318,091.31
  5. Step 5: Solve for x
    x = 1,481,148,318,091.31/1,325,272.96
  6. Step 6: Final answer
    x = 1,117,617.55

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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.