Home / 1,212,031.64-1,672,608.15-660,744.23

Finding the Fourth Proportional to 1,212,031.64, 1,672,608.15 and 660,744.23

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Solution

The fourth proportional to 1,212,031.64, 1,672,608.15 and 660,744.23 is: 911,829.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,031.64 : 1,672,608.15 = 660,744.23 : x
  2. Step 2: Convert to fraction form
    1,212,031.64/1,672,608.15 = 660,744.23/x
  3. Step 3: Cross multiply
    1,212,031.64x = 1,672,608.15 × 660,744.23
  4. Step 4: Simplify right side
    1,212,031.64x = 1,105,166,175,800.43
  5. Step 5: Solve for x
    x = 1,105,166,175,800.43/1,212,031.64
  6. Step 6: Final answer
    x = 911,829.47

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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.