Home / 1,211,447.06-1,817,104.80-369,933.20

Finding the Fourth Proportional to 1,211,447.06, 1,817,104.80 and 369,933.20

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Solution

The fourth proportional to 1,211,447.06, 1,817,104.80 and 369,933.20 is: 554,879.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,447.06 : 1,817,104.80 = 369,933.20 : x
  2. Step 2: Convert to fraction form
    1,211,447.06/1,817,104.80 = 369,933.20/x
  3. Step 3: Cross multiply
    1,211,447.06x = 1,817,104.80 × 369,933.20
  4. Step 4: Simplify right side
    1,211,447.06x = 672,207,393,399.36
  5. Step 5: Solve for x
    x = 672,207,393,399.36/1,211,447.06
  6. Step 6: Final answer
    x = 554,879.71

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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.