Home / 1,467,719.80-2,201,579.70-521,186.20

Finding the Fourth Proportional to 1,467,719.80, 2,201,579.70 and 521,186.20

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Solution

The fourth proportional to 1,467,719.80, 2,201,579.70 and 521,186.20 is: 781,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467,719.80 : 2,201,579.70 = 521,186.20 : x
  2. Step 2: Convert to fraction form
    1,467,719.80/2,201,579.70 = 521,186.20/x
  3. Step 3: Cross multiply
    1,467,719.80x = 2,201,579.70 × 521,186.20
  4. Step 4: Simplify right side
    1,467,719.80x = 1,147,432,957,840.14
  5. Step 5: Solve for x
    x = 1,147,432,957,840.14/1,467,719.80
  6. Step 6: Final answer
    x = 781,779.30

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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.