Home / 1,815,578.40-2,724,145.20-929,114.40

Finding the Fourth Proportional to 1,815,578.40, 2,724,145.20 and 929,114.40

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Solution

The fourth proportional to 1,815,578.40, 2,724,145.20 and 929,114.40 is: 1,394,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,578.40 : 2,724,145.20 = 929,114.40 : x
  2. Step 2: Convert to fraction form
    1,815,578.40/2,724,145.20 = 929,114.40/x
  3. Step 3: Cross multiply
    1,815,578.40x = 2,724,145.20 × 929,114.40
  4. Step 4: Simplify right side
    1,815,578.40x = 2,531,042,533,010.88
  5. Step 5: Solve for x
    x = 2,531,042,533,010.88/1,815,578.40
  6. Step 6: Final answer
    x = 1,394,069.53

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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.