Home / 1,309,766.32-1,965,402.78-551,548

Finding the Fourth Proportional to 1,309,766.32, 1,965,402.78 and 551,548

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Solution

The fourth proportional to 1,309,766.32, 1,965,402.78 and 551,548 is: 827,639.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,766.32 : 1,965,402.78 = 551,548 : x
  2. Step 2: Convert to fraction form
    1,309,766.32/1,965,402.78 = 551,548/x
  3. Step 3: Cross multiply
    1,309,766.32x = 1,965,402.78 × 551,548
  4. Step 4: Simplify right side
    1,309,766.32x = 1,084,013,972,503.44
  5. Step 5: Solve for x
    x = 1,084,013,972,503.44/1,309,766.32
  6. Step 6: Final answer
    x = 827,639.22

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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.