Home / 1,231,482.08-1,699,474.12-687,599.48

Finding the Fourth Proportional to 1,231,482.08, 1,699,474.12 and 687,599.48

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Solution

The fourth proportional to 1,231,482.08, 1,699,474.12 and 687,599.48 is: 948,903.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,482.08 : 1,699,474.12 = 687,599.48 : x
  2. Step 2: Convert to fraction form
    1,231,482.08/1,699,474.12 = 687,599.48/x
  3. Step 3: Cross multiply
    1,231,482.08x = 1,699,474.12 × 687,599.48
  4. Step 4: Simplify right side
    1,231,482.08x = 1,168,557,521,185.46
  5. Step 5: Solve for x
    x = 1,168,557,521,185.46/1,231,482.08
  6. Step 6: Final answer
    x = 948,903.39

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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.