Home / 1,312,251.36-1,968,377.06-314,979.36

Finding the Fourth Proportional to 1,312,251.36, 1,968,377.06 and 314,979.36

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Solution

The fourth proportional to 1,312,251.36, 1,968,377.06 and 314,979.36 is: 472,469.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,251.36 : 1,968,377.06 = 314,979.36 : x
  2. Step 2: Convert to fraction form
    1,312,251.36/1,968,377.06 = 314,979.36/x
  3. Step 3: Cross multiply
    1,312,251.36x = 1,968,377.06 × 314,979.36
  4. Step 4: Simplify right side
    1,312,251.36x = 619,998,146,597.48
  5. Step 5: Solve for x
    x = 619,998,146,597.48/1,312,251.36
  6. Step 6: Final answer
    x = 472,469.04

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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.