Home / 1,300,998.41-1,795,349.85-720,187.94

Finding the Fourth Proportional to 1,300,998.41, 1,795,349.85 and 720,187.94

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Solution

The fourth proportional to 1,300,998.41, 1,795,349.85 and 720,187.94 is: 993,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,998.41 : 1,795,349.85 = 720,187.94 : x
  2. Step 2: Convert to fraction form
    1,300,998.41/1,795,349.85 = 720,187.94/x
  3. Step 3: Cross multiply
    1,300,998.41x = 1,795,349.85 × 720,187.94
  4. Step 4: Simplify right side
    1,300,998.41x = 1,292,989,311,838.48
  5. Step 5: Solve for x
    x = 1,292,989,311,838.48/1,300,998.41
  6. Step 6: Final answer
    x = 993,843.88

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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.