Home / 894,131.12-1,237,150.24-779,648.51

Finding the Fourth Proportional to 894,131.12, 1,237,150.24 and 779,648.51

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Solution

The fourth proportional to 894,131.12, 1,237,150.24 and 779,648.51 is: 1,078,748.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,131.12 : 1,237,150.24 = 779,648.51 : x
  2. Step 2: Convert to fraction form
    894,131.12/1,237,150.24 = 779,648.51/x
  3. Step 3: Cross multiply
    894,131.12x = 1,237,150.24 × 779,648.51
  4. Step 4: Simplify right side
    894,131.12x = 964,542,342,405.90
  5. Step 5: Solve for x
    x = 964,542,342,405.90/894,131.12
  6. Step 6: Final answer
    x = 1,078,748.20

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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.