Home / 1,206,716.64-1,810,074.69-308,126.58

Finding the Fourth Proportional to 1,206,716.64, 1,810,074.69 and 308,126.58

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Solution

The fourth proportional to 1,206,716.64, 1,810,074.69 and 308,126.58 is: 462,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,716.64 : 1,810,074.69 = 308,126.58 : x
  2. Step 2: Convert to fraction form
    1,206,716.64/1,810,074.69 = 308,126.58/x
  3. Step 3: Cross multiply
    1,206,716.64x = 1,810,074.69 × 308,126.58
  4. Step 4: Simplify right side
    1,206,716.64x = 557,732,123,774.26
  5. Step 5: Solve for x
    x = 557,732,123,774.26/1,206,716.64
  6. Step 6: Final answer
    x = 462,189.80

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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.