Home / 1,162,770.64-1,604,262.84-678,986.80

Finding the Fourth Proportional to 1,162,770.64, 1,604,262.84 and 678,986.80

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Solution

The fourth proportional to 1,162,770.64, 1,604,262.84 and 678,986.80 is: 936,791.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,770.64 : 1,604,262.84 = 678,986.80 : x
  2. Step 2: Convert to fraction form
    1,162,770.64/1,604,262.84 = 678,986.80/x
  3. Step 3: Cross multiply
    1,162,770.64x = 1,604,262.84 × 678,986.80
  4. Step 4: Simplify right side
    1,162,770.64x = 1,089,273,284,069.20
  5. Step 5: Solve for x
    x = 1,089,273,284,069.20/1,162,770.64
  6. Step 6: Final answer
    x = 936,791.19

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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.