Home / 2,681,572.80-4,022,456.40-788,505.60

Finding the Fourth Proportional to 2,681,572.80, 4,022,456.40 and 788,505.60

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Solution

The fourth proportional to 2,681,572.80, 4,022,456.40 and 788,505.60 is: 1,182,786.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681,572.80 : 4,022,456.40 = 788,505.60 : x
  2. Step 2: Convert to fraction form
    2,681,572.80/4,022,456.40 = 788,505.60/x
  3. Step 3: Cross multiply
    2,681,572.80x = 4,022,456.40 × 788,505.60
  4. Step 4: Simplify right side
    2,681,572.80x = 3,171,729,397,155.84
  5. Step 5: Solve for x
    x = 3,171,729,397,155.84/2,681,572.80
  6. Step 6: Final answer
    x = 1,182,786.98

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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.