Home / 1,778,428.53-2,668,067.21-580,353.03

Finding the Fourth Proportional to 1,778,428.53, 2,668,067.21 and 580,353.03

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Solution

The fourth proportional to 1,778,428.53, 2,668,067.21 and 580,353.03 is: 870,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,428.53 : 2,668,067.21 = 580,353.03 : x
  2. Step 2: Convert to fraction form
    1,778,428.53/2,668,067.21 = 580,353.03/x
  3. Step 3: Cross multiply
    1,778,428.53x = 2,668,067.21 × 580,353.03
  4. Step 4: Simplify right side
    1,778,428.53x = 1,548,420,889,567.15
  5. Step 5: Solve for x
    x = 1,548,420,889,567.15/1,778,428.53
  6. Step 6: Final answer
    x = 870,668.04

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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.