Home / 1,089,324.80-1,635,318.40-616,339.20

Finding the Fourth Proportional to 1,089,324.80, 1,635,318.40 and 616,339.20

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Solution

The fourth proportional to 1,089,324.80, 1,635,318.40 and 616,339.20 is: 925,261.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,324.80 : 1,635,318.40 = 616,339.20 : x
  2. Step 2: Convert to fraction form
    1,089,324.80/1,635,318.40 = 616,339.20/x
  3. Step 3: Cross multiply
    1,089,324.80x = 1,635,318.40 × 616,339.20
  4. Step 4: Simplify right side
    1,089,324.80x = 1,007,910,834,401.28
  5. Step 5: Solve for x
    x = 1,007,910,834,401.28/1,089,324.80
  6. Step 6: Final answer
    x = 925,261.99

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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.