Home / 1,179,137.53-1,768,926.21-380,335.78

Finding the Fourth Proportional to 1,179,137.53, 1,768,926.21 and 380,335.78

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Solution

The fourth proportional to 1,179,137.53, 1,768,926.21 and 380,335.78 is: 570,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,137.53 : 1,768,926.21 = 380,335.78 : x
  2. Step 2: Convert to fraction form
    1,179,137.53/1,768,926.21 = 380,335.78/x
  3. Step 3: Cross multiply
    1,179,137.53x = 1,768,926.21 × 380,335.78
  4. Step 4: Simplify right side
    1,179,137.53x = 672,785,929,842.79
  5. Step 5: Solve for x
    x = 672,785,929,842.79/1,179,137.53
  6. Step 6: Final answer
    x = 570,574.60

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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.