Home / 1,202,980.65-1,660,112.76-719,659.32

Finding the Fourth Proportional to 1,202,980.65, 1,660,112.76 and 719,659.32

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Solution

The fourth proportional to 1,202,980.65, 1,660,112.76 and 719,659.32 is: 993,129.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,980.65 : 1,660,112.76 = 719,659.32 : x
  2. Step 2: Convert to fraction form
    1,202,980.65/1,660,112.76 = 719,659.32/x
  3. Step 3: Cross multiply
    1,202,980.65x = 1,660,112.76 × 719,659.32
  4. Step 4: Simplify right side
    1,202,980.65x = 1,194,715,619,984.92
  5. Step 5: Solve for x
    x = 1,194,715,619,984.92/1,202,980.65
  6. Step 6: Final answer
    x = 993,129.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.