Home / 1,351,172.49-1,864,589.27-739,322.79

Finding the Fourth Proportional to 1,351,172.49, 1,864,589.27 and 739,322.79

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Solution

The fourth proportional to 1,351,172.49, 1,864,589.27 and 739,322.79 is: 1,020,249.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,172.49 : 1,864,589.27 = 739,322.79 : x
  2. Step 2: Convert to fraction form
    1,351,172.49/1,864,589.27 = 739,322.79/x
  3. Step 3: Cross multiply
    1,351,172.49x = 1,864,589.27 × 739,322.79
  4. Step 4: Simplify right side
    1,351,172.49x = 1,378,533,337,603.85
  5. Step 5: Solve for x
    x = 1,378,533,337,603.85/1,351,172.49
  6. Step 6: Final answer
    x = 1,020,249.71

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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.