Home / 1,325,293.10-1,828,856.47-809,909.24

Finding the Fourth Proportional to 1,325,293.10, 1,828,856.47 and 809,909.24

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Solution

The fourth proportional to 1,325,293.10, 1,828,856.47 and 809,909.24 is: 1,117,645.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,293.10 : 1,828,856.47 = 809,909.24 : x
  2. Step 2: Convert to fraction form
    1,325,293.10/1,828,856.47 = 809,909.24/x
  3. Step 3: Cross multiply
    1,325,293.10x = 1,828,856.47 × 809,909.24
  4. Step 4: Simplify right side
    1,325,293.10x = 1,481,207,753,686.78
  5. Step 5: Solve for x
    x = 1,481,207,753,686.78/1,325,293.10
  6. Step 6: Final answer
    x = 1,117,645.41

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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.