Home / 1,686,844.05-2,530,397.30-488,783.58

Finding the Fourth Proportional to 1,686,844.05, 2,530,397.30 and 488,783.58

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Solution

The fourth proportional to 1,686,844.05, 2,530,397.30 and 488,783.58 is: 733,213.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,844.05 : 2,530,397.30 = 488,783.58 : x
  2. Step 2: Convert to fraction form
    1,686,844.05/2,530,397.30 = 488,783.58/x
  3. Step 3: Cross multiply
    1,686,844.05x = 2,530,397.30 × 488,783.58
  4. Step 4: Simplify right side
    1,686,844.05x = 1,236,816,648,672.42
  5. Step 5: Solve for x
    x = 1,236,816,648,672.42/1,686,844.05
  6. Step 6: Final answer
    x = 733,213.39

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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.