Home / 1,206,867.78-1,810,301.63-308,311.47

Finding the Fourth Proportional to 1,206,867.78, 1,810,301.63 and 308,311.47

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Solution

The fourth proportional to 1,206,867.78, 1,810,301.63 and 308,311.47 is: 462,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,867.78 : 1,810,301.63 = 308,311.47 : x
  2. Step 2: Convert to fraction form
    1,206,867.78/1,810,301.63 = 308,311.47/x
  3. Step 3: Cross multiply
    1,206,867.78x = 1,810,301.63 × 308,311.47
  4. Step 4: Simplify right side
    1,206,867.78x = 558,136,755,147.14
  5. Step 5: Solve for x
    x = 558,136,755,147.14/1,206,867.78
  6. Step 6: Final answer
    x = 462,467.19

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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.