Home / 1,264,873.20-1,745,566.65-691,900.26

Finding the Fourth Proportional to 1,264,873.20, 1,745,566.65 and 691,900.26

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Solution

The fourth proportional to 1,264,873.20, 1,745,566.65 and 691,900.26 is: 954,845.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,873.20 : 1,745,566.65 = 691,900.26 : x
  2. Step 2: Convert to fraction form
    1,264,873.20/1,745,566.65 = 691,900.26/x
  3. Step 3: Cross multiply
    1,264,873.20x = 1,745,566.65 × 691,900.26
  4. Step 4: Simplify right side
    1,264,873.20x = 1,207,758,018,982.33
  5. Step 5: Solve for x
    x = 1,207,758,018,982.33/1,264,873.20
  6. Step 6: Final answer
    x = 954,845.13

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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.