Home / 1,312,251.58-1,968,377.39-314,979.58

Finding the Fourth Proportional to 1,312,251.58, 1,968,377.39 and 314,979.58

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Solution

The fourth proportional to 1,312,251.58, 1,968,377.39 and 314,979.58 is: 472,469.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,251.58 : 1,968,377.39 = 314,979.58 : x
  2. Step 2: Convert to fraction form
    1,312,251.58/1,968,377.39 = 314,979.58/x
  3. Step 3: Cross multiply
    1,312,251.58x = 1,968,377.39 × 314,979.58
  4. Step 4: Simplify right side
    1,312,251.58x = 619,998,679,450.20
  5. Step 5: Solve for x
    x = 619,998,679,450.20/1,312,251.58
  6. Step 6: Final answer
    x = 472,469.37

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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.