Home / 1,270,687.60-1,904,281.80-843,007.60

Finding the Fourth Proportional to 1,270,687.60, 1,904,281.80 and 843,007.60

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Solution

The fourth proportional to 1,270,687.60, 1,904,281.80 and 843,007.60 is: 1,263,350.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,687.60 : 1,904,281.80 = 843,007.60 : x
  2. Step 2: Convert to fraction form
    1,270,687.60/1,904,281.80 = 843,007.60/x
  3. Step 3: Cross multiply
    1,270,687.60x = 1,904,281.80 × 843,007.60
  4. Step 4: Simplify right side
    1,270,687.60x = 1,605,324,029,941.68
  5. Step 5: Solve for x
    x = 1,605,324,029,941.68/1,270,687.60
  6. Step 6: Final answer
    x = 1,263,350.67

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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.