Home / 1,221,373.26-1,685,522.16-677,491.38

Finding the Fourth Proportional to 1,221,373.26, 1,685,522.16 and 677,491.38

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Solution

The fourth proportional to 1,221,373.26, 1,685,522.16 and 677,491.38 is: 934,953.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,373.26 : 1,685,522.16 = 677,491.38 : x
  2. Step 2: Convert to fraction form
    1,221,373.26/1,685,522.16 = 677,491.38/x
  3. Step 3: Cross multiply
    1,221,373.26x = 1,685,522.16 × 677,491.38
  4. Step 4: Simplify right side
    1,221,373.26x = 1,141,926,734,198.98
  5. Step 5: Solve for x
    x = 1,141,926,734,198.98/1,221,373.26
  6. Step 6: Final answer
    x = 934,953.12

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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.