Home / 1,143,579.88-1,578,141.26-634,282.26

Finding the Fourth Proportional to 1,143,579.88, 1,578,141.26 and 634,282.26

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Solution

The fourth proportional to 1,143,579.88, 1,578,141.26 and 634,282.26 is: 875,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,579.88 : 1,578,141.26 = 634,282.26 : x
  2. Step 2: Convert to fraction form
    1,143,579.88/1,578,141.26 = 634,282.26/x
  3. Step 3: Cross multiply
    1,143,579.88x = 1,578,141.26 × 634,282.26
  4. Step 4: Simplify right side
    1,143,579.88x = 1,000,987,004,992.05
  5. Step 5: Solve for x
    x = 1,000,987,004,992.05/1,143,579.88
  6. Step 6: Final answer
    x = 875,310.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.