Home / 876,671.70-1,315,007.55-758,573.70

Finding the Fourth Proportional to 876,671.70, 1,315,007.55 and 758,573.70

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Solution

The fourth proportional to 876,671.70, 1,315,007.55 and 758,573.70 is: 1,137,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,671.70 : 1,315,007.55 = 758,573.70 : x
  2. Step 2: Convert to fraction form
    876,671.70/1,315,007.55 = 758,573.70/x
  3. Step 3: Cross multiply
    876,671.70x = 1,315,007.55 × 758,573.70
  4. Step 4: Simplify right side
    876,671.70x = 997,530,142,731.44
  5. Step 5: Solve for x
    x = 997,530,142,731.44/876,671.70
  6. Step 6: Final answer
    x = 1,137,860.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.