Home / 1,075,411.23-1,483,238.57-667,754.43

Finding the Fourth Proportional to 1,075,411.23, 1,483,238.57 and 667,754.43

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Solution

The fourth proportional to 1,075,411.23, 1,483,238.57 and 667,754.43 is: 920,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,411.23 : 1,483,238.57 = 667,754.43 : x
  2. Step 2: Convert to fraction form
    1,075,411.23/1,483,238.57 = 667,754.43/x
  3. Step 3: Cross multiply
    1,075,411.23x = 1,483,238.57 × 667,754.43
  4. Step 4: Simplify right side
    1,075,411.23x = 990,439,122,525.59
  5. Step 5: Solve for x
    x = 990,439,122,525.59/1,075,411.23
  6. Step 6: Final answer
    x = 920,986.40

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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.