Home / 1,020,860.88-1,531,174.58-272,965.20

Finding the Fourth Proportional to 1,020,860.88, 1,531,174.58 and 272,965.20

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Solution

The fourth proportional to 1,020,860.88, 1,531,174.58 and 272,965.20 is: 409,416.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,860.88 : 1,531,174.58 = 272,965.20 : x
  2. Step 2: Convert to fraction form
    1,020,860.88/1,531,174.58 = 272,965.20/x
  3. Step 3: Cross multiply
    1,020,860.88x = 1,531,174.58 × 272,965.20
  4. Step 4: Simplify right side
    1,020,860.88x = 417,957,375,464.62
  5. Step 5: Solve for x
    x = 417,957,375,464.62/1,020,860.88
  6. Step 6: Final answer
    x = 409,416.59

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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.