Home / 927,843.72-1,280,455.85-885,328.44

Finding the Fourth Proportional to 927,843.72, 1,280,455.85 and 885,328.44

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Solution

The fourth proportional to 927,843.72, 1,280,455.85 and 885,328.44 is: 1,221,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,843.72 : 1,280,455.85 = 885,328.44 : x
  2. Step 2: Convert to fraction form
    927,843.72/1,280,455.85 = 885,328.44/x
  3. Step 3: Cross multiply
    927,843.72x = 1,280,455.85 × 885,328.44
  4. Step 4: Simplify right side
    927,843.72x = 1,133,623,969,340.45
  5. Step 5: Solve for x
    x = 1,133,623,969,340.45/927,843.72
  6. Step 6: Final answer
    x = 1,221,783.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.