Home / 1,145,938.07-1,718,907.41-426,185.73

Finding the Fourth Proportional to 1,145,938.07, 1,718,907.41 and 426,185.73

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Solution

The fourth proportional to 1,145,938.07, 1,718,907.41 and 426,185.73 is: 639,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,938.07 : 1,718,907.41 = 426,185.73 : x
  2. Step 2: Convert to fraction form
    1,145,938.07/1,718,907.41 = 426,185.73/x
  3. Step 3: Cross multiply
    1,145,938.07x = 1,718,907.41 × 426,185.73
  4. Step 4: Simplify right side
    1,145,938.07x = 732,573,810,398.72
  5. Step 5: Solve for x
    x = 732,573,810,398.72/1,145,938.07
  6. Step 6: Final answer
    x = 639,278.71

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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.