Home / 1,072,511.20-1,608,982.80-314,351.20

Finding the Fourth Proportional to 1,072,511.20, 1,608,982.80 and 314,351.20

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Solution

The fourth proportional to 1,072,511.20, 1,608,982.80 and 314,351.20 is: 471,590.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,511.20 : 1,608,982.80 = 314,351.20 : x
  2. Step 2: Convert to fraction form
    1,072,511.20/1,608,982.80 = 314,351.20/x
  3. Step 3: Cross multiply
    1,072,511.20x = 1,608,982.80 × 314,351.20
  4. Step 4: Simplify right side
    1,072,511.20x = 505,785,673,959.36
  5. Step 5: Solve for x
    x = 505,785,673,959.36/1,072,511.20
  6. Step 6: Final answer
    x = 471,590.11

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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.