Home / 1,479,443.13-2,219,081.47-399,939.73

Finding the Fourth Proportional to 1,479,443.13, 2,219,081.47 and 399,939.73

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Solution

The fourth proportional to 1,479,443.13, 2,219,081.47 and 399,939.73 is: 599,887.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,443.13 : 2,219,081.47 = 399,939.73 : x
  2. Step 2: Convert to fraction form
    1,479,443.13/2,219,081.47 = 399,939.73/x
  3. Step 3: Cross multiply
    1,479,443.13x = 2,219,081.47 × 399,939.73
  4. Step 4: Simplify right side
    1,479,443.13x = 887,498,837,412.25
  5. Step 5: Solve for x
    x = 887,498,837,412.25/1,479,443.13
  6. Step 6: Final answer
    x = 599,887.09

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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.