Home / 1,336,745.84-1,844,723.57-724,899.78

Finding the Fourth Proportional to 1,336,745.84, 1,844,723.57 and 724,899.78

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Solution

The fourth proportional to 1,336,745.84, 1,844,723.57 and 724,899.78 is: 1,000,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,745.84 : 1,844,723.57 = 724,899.78 : x
  2. Step 2: Convert to fraction form
    1,336,745.84/1,844,723.57 = 724,899.78/x
  3. Step 3: Cross multiply
    1,336,745.84x = 1,844,723.57 × 724,899.78
  4. Step 4: Simplify right side
    1,336,745.84x = 1,337,239,706,429.32
  5. Step 5: Solve for x
    x = 1,337,239,706,429.32/1,336,745.84
  6. Step 6: Final answer
    x = 1,000,369.46

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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.