Home / 1,313,261.74-1,969,951.60-402,377.47

Finding the Fourth Proportional to 1,313,261.74, 1,969,951.60 and 402,377.47

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Solution

The fourth proportional to 1,313,261.74, 1,969,951.60 and 402,377.47 is: 603,584.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,261.74 : 1,969,951.60 = 402,377.47 : x
  2. Step 2: Convert to fraction form
    1,313,261.74/1,969,951.60 = 402,377.47/x
  3. Step 3: Cross multiply
    1,313,261.74x = 1,969,951.60 × 402,377.47
  4. Step 4: Simplify right side
    1,313,261.74x = 792,664,137,540.23
  5. Step 5: Solve for x
    x = 792,664,137,540.23/1,313,261.74
  6. Step 6: Final answer
    x = 603,584.28

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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.