Home / 1,221,964.80-1,832,947.20-1,203,302.40

Finding the Fourth Proportional to 1,221,964.80, 1,832,947.20 and 1,203,302.40

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Solution

The fourth proportional to 1,221,964.80, 1,832,947.20 and 1,203,302.40 is: 1,804,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,964.80 : 1,832,947.20 = 1,203,302.40 : x
  2. Step 2: Convert to fraction form
    1,221,964.80/1,832,947.20 = 1,203,302.40/x
  3. Step 3: Cross multiply
    1,221,964.80x = 1,832,947.20 × 1,203,302.40
  4. Step 4: Simplify right side
    1,221,964.80x = 2,205,589,764,833.28
  5. Step 5: Solve for x
    x = 2,205,589,764,833.28/1,221,964.80
  6. Step 6: Final answer
    x = 1,804,953.60

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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.