Home / 1,300,990.22-1,795,380.63-720,222.98

Finding the Fourth Proportional to 1,300,990.22, 1,795,380.63 and 720,222.98

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Solution

The fourth proportional to 1,300,990.22, 1,795,380.63 and 720,222.98 is: 993,915.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,990.22 : 1,795,380.63 = 720,222.98 : x
  2. Step 2: Convert to fraction form
    1,300,990.22/1,795,380.63 = 720,222.98/x
  3. Step 3: Cross multiply
    1,300,990.22x = 1,795,380.63 × 720,222.98
  4. Step 4: Simplify right side
    1,300,990.22x = 1,293,074,378,595.97
  5. Step 5: Solve for x
    x = 1,293,074,378,595.97/1,300,990.22
  6. Step 6: Final answer
    x = 993,915.53

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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.