Home / 1,203,948-1,661,448.24-694,650.38

Finding the Fourth Proportional to 1,203,948, 1,661,448.24 and 694,650.38

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Solution

The fourth proportional to 1,203,948, 1,661,448.24 and 694,650.38 is: 958,617.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,948 : 1,661,448.24 = 694,650.38 : x
  2. Step 2: Convert to fraction form
    1,203,948/1,661,448.24 = 694,650.38/x
  3. Step 3: Cross multiply
    1,203,948x = 1,661,448.24 × 694,650.38
  4. Step 4: Simplify right side
    1,203,948x = 1,154,125,642,959.09
  5. Step 5: Solve for x
    x = 1,154,125,642,959.09/1,203,948
  6. Step 6: Final answer
    x = 958,617.52

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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.