Home / 1,140,143.40-1,709,087.10-540,049.80

Finding the Fourth Proportional to 1,140,143.40, 1,709,087.10 and 540,049.80

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Solution

The fourth proportional to 1,140,143.40, 1,709,087.10 and 540,049.80 is: 809,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,143.40 : 1,709,087.10 = 540,049.80 : x
  2. Step 2: Convert to fraction form
    1,140,143.40/1,709,087.10 = 540,049.80/x
  3. Step 3: Cross multiply
    1,140,143.40x = 1,709,087.10 × 540,049.80
  4. Step 4: Simplify right side
    1,140,143.40x = 922,992,146,537.58
  5. Step 5: Solve for x
    x = 922,992,146,537.58/1,140,143.40
  6. Step 6: Final answer
    x = 809,540.40

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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.