Home / 1,284,979.41-1,927,473.57-325,434.78

Finding the Fourth Proportional to 1,284,979.41, 1,927,473.57 and 325,434.78

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Solution

The fourth proportional to 1,284,979.41, 1,927,473.57 and 325,434.78 is: 488,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,979.41 : 1,927,473.57 = 325,434.78 : x
  2. Step 2: Convert to fraction form
    1,284,979.41/1,927,473.57 = 325,434.78/x
  3. Step 3: Cross multiply
    1,284,979.41x = 1,927,473.57 × 325,434.78
  4. Step 4: Simplify right side
    1,284,979.41x = 627,266,937,208.77
  5. Step 5: Solve for x
    x = 627,266,937,208.77/1,284,979.41
  6. Step 6: Final answer
    x = 488,153.30

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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.