Home / 1,293,200.58-1,784,671.83-720,240.75

Finding the Fourth Proportional to 1,293,200.58, 1,784,671.83 and 720,240.75

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Solution

The fourth proportional to 1,293,200.58, 1,784,671.83 and 720,240.75 is: 993,962.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,200.58 : 1,784,671.83 = 720,240.75 : x
  2. Step 2: Convert to fraction form
    1,293,200.58/1,784,671.83 = 720,240.75/x
  3. Step 3: Cross multiply
    1,293,200.58x = 1,784,671.83 × 720,240.75
  4. Step 4: Simplify right side
    1,293,200.58x = 1,285,393,377,343.07
  5. Step 5: Solve for x
    x = 1,285,393,377,343.07/1,293,200.58
  6. Step 6: Final answer
    x = 993,962.88

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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.