Home / 1,143,446.91-1,578,028.58-634,149.29

Finding the Fourth Proportional to 1,143,446.91, 1,578,028.58 and 634,149.29

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Solution

The fourth proportional to 1,143,446.91, 1,578,028.58 and 634,149.29 is: 875,165.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,446.91 : 1,578,028.58 = 634,149.29 : x
  2. Step 2: Convert to fraction form
    1,143,446.91/1,578,028.58 = 634,149.29/x
  3. Step 3: Cross multiply
    1,143,446.91x = 1,578,028.58 × 634,149.29
  4. Step 4: Simplify right side
    1,143,446.91x = 1,000,705,692,545.82
  5. Step 5: Solve for x
    x = 1,000,705,692,545.82/1,143,446.91
  6. Step 6: Final answer
    x = 875,165.85

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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.