Home / 1,036,076.80-1,419,430.38-997,245.86

Finding the Fourth Proportional to 1,036,076.80, 1,419,430.38 and 997,245.86

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Solution

The fourth proportional to 1,036,076.80, 1,419,430.38 and 997,245.86 is: 1,366,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,076.80 : 1,419,430.38 = 997,245.86 : x
  2. Step 2: Convert to fraction form
    1,036,076.80/1,419,430.38 = 997,245.86/x
  3. Step 3: Cross multiply
    1,036,076.80x = 1,419,430.38 × 997,245.86
  4. Step 4: Simplify right side
    1,036,076.80x = 1,415,521,070,013.23
  5. Step 5: Solve for x
    x = 1,415,521,070,013.23/1,036,076.80
  6. Step 6: Final answer
    x = 1,366,231.80

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.