Home / 1,079,539.20-1,618,531.20-606,369.60

Finding the Fourth Proportional to 1,079,539.20, 1,618,531.20 and 606,369.60

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Solution

The fourth proportional to 1,079,539.20, 1,618,531.20 and 606,369.60 is: 909,117.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,539.20 : 1,618,531.20 = 606,369.60 : x
  2. Step 2: Convert to fraction form
    1,079,539.20/1,618,531.20 = 606,369.60/x
  3. Step 3: Cross multiply
    1,079,539.20x = 1,618,531.20 × 606,369.60
  4. Step 4: Simplify right side
    1,079,539.20x = 981,428,116,331.52
  5. Step 5: Solve for x
    x = 981,428,116,331.52/1,079,539.20
  6. Step 6: Final answer
    x = 909,117.63

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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.