Home / 733,621.80-1,100,432.70-670,636.20

Finding the Fourth Proportional to 733,621.80, 1,100,432.70 and 670,636.20

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Solution

The fourth proportional to 733,621.80, 1,100,432.70 and 670,636.20 is: 1,005,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,621.80 : 1,100,432.70 = 670,636.20 : x
  2. Step 2: Convert to fraction form
    733,621.80/1,100,432.70 = 670,636.20/x
  3. Step 3: Cross multiply
    733,621.80x = 1,100,432.70 × 670,636.20
  4. Step 4: Simplify right side
    733,621.80x = 737,990,004,283.74
  5. Step 5: Solve for x
    x = 737,990,004,283.74/733,621.80
  6. Step 6: Final answer
    x = 1,005,954.30

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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.