Home / 1,179,505.60-1,764,009.60-990,548.80

Finding the Fourth Proportional to 1,179,505.60, 1,764,009.60 and 990,548.80

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Solution

The fourth proportional to 1,179,505.60, 1,764,009.60 and 990,548.80 is: 1,481,415.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,505.60 : 1,764,009.60 = 990,548.80 : x
  2. Step 2: Convert to fraction form
    1,179,505.60/1,764,009.60 = 990,548.80/x
  3. Step 3: Cross multiply
    1,179,505.60x = 1,764,009.60 × 990,548.80
  4. Step 4: Simplify right side
    1,179,505.60x = 1,747,337,592,468.48
  5. Step 5: Solve for x
    x = 1,747,337,592,468.48/1,179,505.60
  6. Step 6: Final answer
    x = 1,481,415.26

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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.