Home / 1,280,294.78-1,921,389.26-606,377.21

Finding the Fourth Proportional to 1,280,294.78, 1,921,389.26 and 606,377.21

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Solution

The fourth proportional to 1,280,294.78, 1,921,389.26 and 606,377.21 is: 910,014.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,294.78 : 1,921,389.26 = 606,377.21 : x
  2. Step 2: Convert to fraction form
    1,280,294.78/1,921,389.26 = 606,377.21/x
  3. Step 3: Cross multiply
    1,280,294.78x = 1,921,389.26 × 606,377.21
  4. Step 4: Simplify right side
    1,280,294.78x = 1,165,086,646,163.93
  5. Step 5: Solve for x
    x = 1,165,086,646,163.93/1,280,294.78
  6. Step 6: Final answer
    x = 910,014.37

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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.