Home / 1,299,231.50-1,792,951.04-718,493.69

Finding the Fourth Proportional to 1,299,231.50, 1,792,951.04 and 718,493.69

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Solution

The fourth proportional to 1,299,231.50, 1,792,951.04 and 718,493.69 is: 991,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,231.50 : 1,792,951.04 = 718,493.69 : x
  2. Step 2: Convert to fraction form
    1,299,231.50/1,792,951.04 = 718,493.69/x
  3. Step 3: Cross multiply
    1,299,231.50x = 1,792,951.04 × 718,493.69
  4. Step 4: Simplify right side
    1,299,231.50x = 1,288,224,014,997.55
  5. Step 5: Solve for x
    x = 1,288,224,014,997.55/1,299,231.50
  6. Step 6: Final answer
    x = 991,527.70

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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.