Home / 1,212,249.24-1,818,782.10-762,440.04

Finding the Fourth Proportional to 1,212,249.24, 1,818,782.10 and 762,440.04

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Solution

The fourth proportional to 1,212,249.24, 1,818,782.10 and 762,440.04 is: 1,143,916.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,249.24 : 1,818,782.10 = 762,440.04 : x
  2. Step 2: Convert to fraction form
    1,212,249.24/1,818,782.10 = 762,440.04/x
  3. Step 3: Cross multiply
    1,212,249.24x = 1,818,782.10 × 762,440.04
  4. Step 4: Simplify right side
    1,212,249.24x = 1,386,712,297,075.28
  5. Step 5: Solve for x
    x = 1,386,712,297,075.28/1,212,249.24
  6. Step 6: Final answer
    x = 1,143,916.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.