Home / 1,202,921.42-1,660,031.52-659,077.80

Finding the Fourth Proportional to 1,202,921.42, 1,660,031.52 and 659,077.80

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Solution

The fourth proportional to 1,202,921.42, 1,660,031.52 and 659,077.80 is: 909,527.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,921.42 : 1,660,031.52 = 659,077.80 : x
  2. Step 2: Convert to fraction form
    1,202,921.42/1,660,031.52 = 659,077.80/x
  3. Step 3: Cross multiply
    1,202,921.42x = 1,660,031.52 × 659,077.80
  4. Step 4: Simplify right side
    1,202,921.42x = 1,094,089,913,435.60
  5. Step 5: Solve for x
    x = 1,094,089,913,435.60/1,202,921.42
  6. Step 6: Final answer
    x = 909,527.34

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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.