Home / 1,140,120.40-1,709,052.60-540,026.80

Finding the Fourth Proportional to 1,140,120.40, 1,709,052.60 and 540,026.80

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Solution

The fourth proportional to 1,140,120.40, 1,709,052.60 and 540,026.80 is: 809,505.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,120.40 : 1,709,052.60 = 540,026.80 : x
  2. Step 2: Convert to fraction form
    1,140,120.40/1,709,052.60 = 540,026.80/x
  3. Step 3: Cross multiply
    1,140,120.40x = 1,709,052.60 × 540,026.80
  4. Step 4: Simplify right side
    1,140,120.40x = 922,934,206,609.68
  5. Step 5: Solve for x
    x = 922,934,206,609.68/1,140,120.40
  6. Step 6: Final answer
    x = 809,505.91

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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.