Home / 1,178,493.78-1,768,189.49-410,076.86

Finding the Fourth Proportional to 1,178,493.78, 1,768,189.49 and 410,076.86

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Solution

The fourth proportional to 1,178,493.78, 1,768,189.49 and 410,076.86 is: 615,271.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,493.78 : 1,768,189.49 = 410,076.86 : x
  2. Step 2: Convert to fraction form
    1,178,493.78/1,768,189.49 = 410,076.86/x
  3. Step 3: Cross multiply
    1,178,493.78x = 1,768,189.49 × 410,076.86
  4. Step 4: Simplify right side
    1,178,493.78x = 725,093,593,944.20
  5. Step 5: Solve for x
    x = 725,093,593,944.20/1,178,493.78
  6. Step 6: Final answer
    x = 615,271.46

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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.