Home / 1,188,739.58-1,640,460.60-679,452.89

Finding the Fourth Proportional to 1,188,739.58, 1,640,460.60 and 679,452.89

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Solution

The fourth proportional to 1,188,739.58, 1,640,460.60 and 679,452.89 is: 937,644.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,739.58 : 1,640,460.60 = 679,452.89 : x
  2. Step 2: Convert to fraction form
    1,188,739.58/1,640,460.60 = 679,452.89/x
  3. Step 3: Cross multiply
    1,188,739.58x = 1,640,460.60 × 679,452.89
  4. Step 4: Simplify right side
    1,188,739.58x = 1,114,615,687,398.83
  5. Step 5: Solve for x
    x = 1,114,615,687,398.83/1,188,739.58
  6. Step 6: Final answer
    x = 937,644.97

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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.