Home / 1,104,520.20-1,524,246.96-621,081.12

Finding the Fourth Proportional to 1,104,520.20, 1,524,246.96 and 621,081.12

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Solution

The fourth proportional to 1,104,520.20, 1,524,246.96 and 621,081.12 is: 857,097.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,520.20 : 1,524,246.96 = 621,081.12 : x
  2. Step 2: Convert to fraction form
    1,104,520.20/1,524,246.96 = 621,081.12/x
  3. Step 3: Cross multiply
    1,104,520.20x = 1,524,246.96 × 621,081.12
  4. Step 4: Simplify right side
    1,104,520.20x = 946,681,009,073.40
  5. Step 5: Solve for x
    x = 946,681,009,073.40/1,104,520.20
  6. Step 6: Final answer
    x = 857,097.05

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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.