Home / 1,330,680.49-1,996,186.71-520,960.28

Finding the Fourth Proportional to 1,330,680.49, 1,996,186.71 and 520,960.28

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Solution

The fourth proportional to 1,330,680.49, 1,996,186.71 and 520,960.28 is: 781,505.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,680.49 : 1,996,186.71 = 520,960.28 : x
  2. Step 2: Convert to fraction form
    1,330,680.49/1,996,186.71 = 520,960.28/x
  3. Step 3: Cross multiply
    1,330,680.49x = 1,996,186.71 × 520,960.28
  4. Step 4: Simplify right side
    1,330,680.49x = 1,039,933,979,346.55
  5. Step 5: Solve for x
    x = 1,039,933,979,346.55/1,330,680.49
  6. Step 6: Final answer
    x = 781,505.39

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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.