Home / 1,264,878.47-1,745,546.14-691,918.65

Finding the Fourth Proportional to 1,264,878.47, 1,745,546.14 and 691,918.65

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Solution

The fourth proportional to 1,264,878.47, 1,745,546.14 and 691,918.65 is: 954,855.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,878.47 : 1,745,546.14 = 691,918.65 : x
  2. Step 2: Convert to fraction form
    1,264,878.47/1,745,546.14 = 691,918.65/x
  3. Step 3: Cross multiply
    1,264,878.47x = 1,745,546.14 × 691,918.65
  4. Step 4: Simplify right side
    1,264,878.47x = 1,207,775,929,566.41
  5. Step 5: Solve for x
    x = 1,207,775,929,566.41/1,264,878.47
  6. Step 6: Final answer
    x = 954,855.31

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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.