Home / 1,289,682.80-1,933,602.60-579,129.20

Finding the Fourth Proportional to 1,289,682.80, 1,933,602.60 and 579,129.20

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Solution

The fourth proportional to 1,289,682.80, 1,933,602.60 and 579,129.20 is: 868,279.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,682.80 : 1,933,602.60 = 579,129.20 : x
  2. Step 2: Convert to fraction form
    1,289,682.80/1,933,602.60 = 579,129.20/x
  3. Step 3: Cross multiply
    1,289,682.80x = 1,933,602.60 × 579,129.20
  4. Step 4: Simplify right side
    1,289,682.80x = 1,119,805,726,855.92
  5. Step 5: Solve for x
    x = 1,119,805,726,855.92/1,289,682.80
  6. Step 6: Final answer
    x = 868,279.96

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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.