Home / 1,299,087.24-1,792,703.32-718,300.38

Finding the Fourth Proportional to 1,299,087.24, 1,792,703.32 and 718,300.38

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Solution

The fourth proportional to 1,299,087.24, 1,792,703.32 and 718,300.38 is: 991,234.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,087.24 : 1,792,703.32 = 718,300.38 : x
  2. Step 2: Convert to fraction form
    1,299,087.24/1,792,703.32 = 718,300.38/x
  3. Step 3: Cross multiply
    1,299,087.24x = 1,792,703.32 × 718,300.38
  4. Step 4: Simplify right side
    1,299,087.24x = 1,287,699,475,983.26
  5. Step 5: Solve for x
    x = 1,287,699,475,983.26/1,299,087.24
  6. Step 6: Final answer
    x = 991,234.03

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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.