Home / 1,189,158.48-1,784,010.30-515,352.90

Finding the Fourth Proportional to 1,189,158.48, 1,784,010.30 and 515,352.90

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Solution

The fourth proportional to 1,189,158.48, 1,784,010.30 and 515,352.90 is: 773,147.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,158.48 : 1,784,010.30 = 515,352.90 : x
  2. Step 2: Convert to fraction form
    1,189,158.48/1,784,010.30 = 515,352.90/x
  3. Step 3: Cross multiply
    1,189,158.48x = 1,784,010.30 × 515,352.90
  4. Step 4: Simplify right side
    1,189,158.48x = 919,394,881,734.87
  5. Step 5: Solve for x
    x = 919,394,881,734.87/1,189,158.48
  6. Step 6: Final answer
    x = 773,147.48

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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.