Home / 1,312,251.71-1,968,377.58-314,979.71

Finding the Fourth Proportional to 1,312,251.71, 1,968,377.58 and 314,979.71

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Solution

The fourth proportional to 1,312,251.71, 1,968,377.58 and 314,979.71 is: 472,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,251.71 : 1,968,377.58 = 314,979.71 : x
  2. Step 2: Convert to fraction form
    1,312,251.71/1,968,377.58 = 314,979.71/x
  3. Step 3: Cross multiply
    1,312,251.71x = 1,968,377.58 × 314,979.71
  4. Step 4: Simplify right side
    1,312,251.71x = 619,998,989,477.01
  5. Step 5: Solve for x
    x = 619,998,989,477.01/1,312,251.71
  6. Step 6: Final answer
    x = 472,469.56

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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.