Home / 1,036,766.34-1,431,292.59-727,620.21

Finding the Fourth Proportional to 1,036,766.34, 1,431,292.59 and 727,620.21

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Solution

The fourth proportional to 1,036,766.34, 1,431,292.59 and 727,620.21 is: 1,004,505.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,766.34 : 1,431,292.59 = 727,620.21 : x
  2. Step 2: Convert to fraction form
    1,036,766.34/1,431,292.59 = 727,620.21/x
  3. Step 3: Cross multiply
    1,036,766.34x = 1,431,292.59 × 727,620.21
  4. Step 4: Simplify right side
    1,036,766.34x = 1,041,437,414,907.24
  5. Step 5: Solve for x
    x = 1,041,437,414,907.24/1,036,766.34
  6. Step 6: Final answer
    x = 1,004,505.43

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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.