Home / 1,256,284.20-1,884,185.94-487,781.94

Finding the Fourth Proportional to 1,256,284.20, 1,884,185.94 and 487,781.94

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Solution

The fourth proportional to 1,256,284.20, 1,884,185.94 and 487,781.94 is: 731,579.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,284.20 : 1,884,185.94 = 487,781.94 : x
  2. Step 2: Convert to fraction form
    1,256,284.20/1,884,185.94 = 487,781.94/x
  3. Step 3: Cross multiply
    1,256,284.20x = 1,884,185.94 × 487,781.94
  4. Step 4: Simplify right side
    1,256,284.20x = 919,071,873,133.92
  5. Step 5: Solve for x
    x = 919,071,873,133.92/1,256,284.20
  6. Step 6: Final answer
    x = 731,579.58

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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.