Home / 1,067,360.32-1,472,716.38-637,556.50

Finding the Fourth Proportional to 1,067,360.32, 1,472,716.38 and 637,556.50

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Solution

The fourth proportional to 1,067,360.32, 1,472,716.38 and 637,556.50 is: 879,684.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,360.32 : 1,472,716.38 = 637,556.50 : x
  2. Step 2: Convert to fraction form
    1,067,360.32/1,472,716.38 = 637,556.50/x
  3. Step 3: Cross multiply
    1,067,360.32x = 1,472,716.38 × 637,556.50
  4. Step 4: Simplify right side
    1,067,360.32x = 938,939,900,725.47
  5. Step 5: Solve for x
    x = 938,939,900,725.47/1,067,360.32
  6. Step 6: Final answer
    x = 879,684.10

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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.