Home / 820,133.87-1,230,200.80-733,774.70

Finding the Fourth Proportional to 820,133.87, 1,230,200.80 and 733,774.70

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Solution

The fourth proportional to 820,133.87, 1,230,200.80 and 733,774.70 is: 1,100,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,133.87 : 1,230,200.80 = 733,774.70 : x
  2. Step 2: Convert to fraction form
    820,133.87/1,230,200.80 = 733,774.70/x
  3. Step 3: Cross multiply
    820,133.87x = 1,230,200.80 × 733,774.70
  4. Step 4: Simplify right side
    820,133.87x = 902,690,222,959.76
  5. Step 5: Solve for x
    x = 902,690,222,959.76/820,133.87
  6. Step 6: Final answer
    x = 1,100,662.05

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1.5x scale

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.