Home / 1,326,189.80-1,990,062.30-484,826.60

Finding the Fourth Proportional to 1,326,189.80, 1,990,062.30 and 484,826.60

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Solution

The fourth proportional to 1,326,189.80, 1,990,062.30 and 484,826.60 is: 727,524.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,189.80 : 1,990,062.30 = 484,826.60 : x
  2. Step 2: Convert to fraction form
    1,326,189.80/1,990,062.30 = 484,826.60/x
  3. Step 3: Cross multiply
    1,326,189.80x = 1,990,062.30 × 484,826.60
  4. Step 4: Simplify right side
    1,326,189.80x = 964,835,138,697.18
  5. Step 5: Solve for x
    x = 964,835,138,697.18/1,326,189.80
  6. Step 6: Final answer
    x = 727,524.17

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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.