Home / 1,137,464.09-1,569,739.19-672,716.36

Finding the Fourth Proportional to 1,137,464.09, 1,569,739.19 and 672,716.36

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Solution

The fourth proportional to 1,137,464.09, 1,569,739.19 and 672,716.36 is: 928,371.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,464.09 : 1,569,739.19 = 672,716.36 : x
  2. Step 2: Convert to fraction form
    1,137,464.09/1,569,739.19 = 672,716.36/x
  3. Step 3: Cross multiply
    1,137,464.09x = 1,569,739.19 × 672,716.36
  4. Step 4: Simplify right side
    1,137,464.09x = 1,055,989,230,682.57
  5. Step 5: Solve for x
    x = 1,055,989,230,682.57/1,137,464.09
  6. Step 6: Final answer
    x = 928,371.49

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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.