Home / 1,301,611.29-1,796,209.86-728,656.17

Finding the Fourth Proportional to 1,301,611.29, 1,796,209.86 and 728,656.17

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Solution

The fourth proportional to 1,301,611.29, 1,796,209.86 and 728,656.17 is: 1,005,537.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,611.29 : 1,796,209.86 = 728,656.17 : x
  2. Step 2: Convert to fraction form
    1,301,611.29/1,796,209.86 = 728,656.17/x
  3. Step 3: Cross multiply
    1,301,611.29x = 1,796,209.86 × 728,656.17
  4. Step 4: Simplify right side
    1,301,611.29x = 1,308,819,397,103.84
  5. Step 5: Solve for x
    x = 1,308,819,397,103.84/1,301,611.29
  6. Step 6: Final answer
    x = 1,005,537.83

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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.