Home / 1,240,462.22-1,712,022.99-757,307.44

Finding the Fourth Proportional to 1,240,462.22, 1,712,022.99 and 757,307.44

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Solution

The fourth proportional to 1,240,462.22, 1,712,022.99 and 757,307.44 is: 1,045,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,462.22 : 1,712,022.99 = 757,307.44 : x
  2. Step 2: Convert to fraction form
    1,240,462.22/1,712,022.99 = 757,307.44/x
  3. Step 3: Cross multiply
    1,240,462.22x = 1,712,022.99 × 757,307.44
  4. Step 4: Simplify right side
    1,240,462.22x = 1,296,527,747,078.17
  5. Step 5: Solve for x
    x = 1,296,527,747,078.17/1,240,462.22
  6. Step 6: Final answer
    x = 1,045,197.29

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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.