Home / 1,067,447.44-1,472,836.32-637,643.44

Finding the Fourth Proportional to 1,067,447.44, 1,472,836.32 and 637,643.44

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Solution

The fourth proportional to 1,067,447.44, 1,472,836.32 and 637,643.44 is: 879,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,447.44 : 1,472,836.32 = 637,643.44 : x
  2. Step 2: Convert to fraction form
    1,067,447.44/1,472,836.32 = 637,643.44/x
  3. Step 3: Cross multiply
    1,067,447.44x = 1,472,836.32 × 637,643.44
  4. Step 4: Simplify right side
    1,067,447.44x = 939,144,417,641.74
  5. Step 5: Solve for x
    x = 939,144,417,641.74/1,067,447.44
  6. Step 6: Final answer
    x = 879,803.90

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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.