Home / 1,080,609.76-1,619,465.76-841,012.98

Finding the Fourth Proportional to 1,080,609.76, 1,619,465.76 and 841,012.98

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Solution

The fourth proportional to 1,080,609.76, 1,619,465.76 and 841,012.98 is: 1,260,391.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,609.76 : 1,619,465.76 = 841,012.98 : x
  2. Step 2: Convert to fraction form
    1,080,609.76/1,619,465.76 = 841,012.98/x
  3. Step 3: Cross multiply
    1,080,609.76x = 1,619,465.76 × 841,012.98
  4. Step 4: Simplify right side
    1,080,609.76x = 1,361,991,724,825.56
  5. Step 5: Solve for x
    x = 1,361,991,724,825.56/1,080,609.76
  6. Step 6: Final answer
    x = 1,260,391.84

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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.