Home / 1,081,614.10-1,619,675.49-649,059.61

Finding the Fourth Proportional to 1,081,614.10, 1,619,675.49 and 649,059.61

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Solution

The fourth proportional to 1,081,614.10, 1,619,675.49 and 649,059.61 is: 971,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,614.10 : 1,619,675.49 = 649,059.61 : x
  2. Step 2: Convert to fraction form
    1,081,614.10/1,619,675.49 = 649,059.61/x
  3. Step 3: Cross multiply
    1,081,614.10x = 1,619,675.49 × 649,059.61
  4. Step 4: Simplify right side
    1,081,614.10x = 1,051,265,941,865.96
  5. Step 5: Solve for x
    x = 1,051,265,941,865.96/1,081,614.10
  6. Step 6: Final answer
    x = 971,941.79

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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.