Home / 997,418.85-1,498,342.68-618,619.56

Finding the Fourth Proportional to 997,418.85, 1,498,342.68 and 618,619.56

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Solution

The fourth proportional to 997,418.85, 1,498,342.68 and 618,619.56 is: 929,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,418.85 : 1,498,342.68 = 618,619.56 : x
  2. Step 2: Convert to fraction form
    997,418.85/1,498,342.68 = 618,619.56/x
  3. Step 3: Cross multiply
    997,418.85x = 1,498,342.68 × 618,619.56
  4. Step 4: Simplify right side
    997,418.85x = 926,904,089,430.82
  5. Step 5: Solve for x
    x = 926,904,089,430.82/997,418.85
  6. Step 6: Final answer
    x = 929,302.76

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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.