Home / 1,999,758.42-3,000,078.27-579,873.78

Finding the Fourth Proportional to 1,999,758.42, 3,000,078.27 and 579,873.78

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Solution

The fourth proportional to 1,999,758.42, 3,000,078.27 and 579,873.78 is: 869,938.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,758.42 : 3,000,078.27 = 579,873.78 : x
  2. Step 2: Convert to fraction form
    1,999,758.42/3,000,078.27 = 579,873.78/x
  3. Step 3: Cross multiply
    1,999,758.42x = 3,000,078.27 × 579,873.78
  4. Step 4: Simplify right side
    1,999,758.42x = 1,739,666,726,720.76
  5. Step 5: Solve for x
    x = 1,739,666,726,720.76/1,999,758.42
  6. Step 6: Final answer
    x = 869,938.44

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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.