Home / 1,086,729.62-1,627,973.84-711,615.38

Finding the Fourth Proportional to 1,086,729.62, 1,627,973.84 and 711,615.38

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Solution

The fourth proportional to 1,086,729.62, 1,627,973.84 and 711,615.38 is: 1,066,034.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,729.62 : 1,627,973.84 = 711,615.38 : x
  2. Step 2: Convert to fraction form
    1,086,729.62/1,627,973.84 = 711,615.38/x
  3. Step 3: Cross multiply
    1,086,729.62x = 1,627,973.84 × 711,615.38
  4. Step 4: Simplify right side
    1,086,729.62x = 1,158,491,216,420.83
  5. Step 5: Solve for x
    x = 1,158,491,216,420.83/1,086,729.62
  6. Step 6: Final answer
    x = 1,066,034.46

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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.