Home / 1,037,121.36-1,431,321.48-629,326.52

Finding the Fourth Proportional to 1,037,121.36, 1,431,321.48 and 629,326.52

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Solution

The fourth proportional to 1,037,121.36, 1,431,321.48 and 629,326.52 is: 868,527.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,121.36 : 1,431,321.48 = 629,326.52 : x
  2. Step 2: Convert to fraction form
    1,037,121.36/1,431,321.48 = 629,326.52/x
  3. Step 3: Cross multiply
    1,037,121.36x = 1,431,321.48 × 629,326.52
  4. Step 4: Simplify right side
    1,037,121.36x = 900,768,569,587.95
  5. Step 5: Solve for x
    x = 900,768,569,587.95/1,037,121.36
  6. Step 6: Final answer
    x = 868,527.64

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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.