Home / 1,264,428.21-1,744,910.87-691,468.77

Finding the Fourth Proportional to 1,264,428.21, 1,744,910.87 and 691,468.77

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Solution

The fourth proportional to 1,264,428.21, 1,744,910.87 and 691,468.77 is: 954,226.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,428.21 : 1,744,910.87 = 691,468.77 : x
  2. Step 2: Convert to fraction form
    1,264,428.21/1,744,910.87 = 691,468.77/x
  3. Step 3: Cross multiply
    1,264,428.21x = 1,744,910.87 × 691,468.77
  4. Step 4: Simplify right side
    1,264,428.21x = 1,206,551,369,581.19
  5. Step 5: Solve for x
    x = 1,206,551,369,581.19/1,264,428.21
  6. Step 6: Final answer
    x = 954,226.87

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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.