Home / 1,100,320.80-1,650,481.20-469,298.40

Finding the Fourth Proportional to 1,100,320.80, 1,650,481.20 and 469,298.40

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Solution

The fourth proportional to 1,100,320.80, 1,650,481.20 and 469,298.40 is: 703,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,320.80 : 1,650,481.20 = 469,298.40 : x
  2. Step 2: Convert to fraction form
    1,100,320.80/1,650,481.20 = 469,298.40/x
  3. Step 3: Cross multiply
    1,100,320.80x = 1,650,481.20 × 469,298.40
  4. Step 4: Simplify right side
    1,100,320.80x = 774,568,186,390.08
  5. Step 5: Solve for x
    x = 774,568,186,390.08/1,100,320.80
  6. Step 6: Final answer
    x = 703,947.60

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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.