Home / 1,089,730.55-1,634,844.59-331,679.45

Finding the Fourth Proportional to 1,089,730.55, 1,634,844.59 and 331,679.45

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Solution

The fourth proportional to 1,089,730.55, 1,634,844.59 and 331,679.45 is: 497,594.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,730.55 : 1,634,844.59 = 331,679.45 : x
  2. Step 2: Convert to fraction form
    1,089,730.55/1,634,844.59 = 331,679.45/x
  3. Step 3: Cross multiply
    1,089,730.55x = 1,634,844.59 × 331,679.45
  4. Step 4: Simplify right side
    1,089,730.55x = 542,244,344,614.06
  5. Step 5: Solve for x
    x = 542,244,344,614.06/1,089,730.55
  6. Step 6: Final answer
    x = 497,594.88

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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.