Home / 1,619,132.80-2,429,390.40-777,251.20

Finding the Fourth Proportional to 1,619,132.80, 2,429,390.40 and 777,251.20

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Solution

The fourth proportional to 1,619,132.80, 2,429,390.40 and 777,251.20 is: 1,166,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,132.80 : 2,429,390.40 = 777,251.20 : x
  2. Step 2: Convert to fraction form
    1,619,132.80/2,429,390.40 = 777,251.20/x
  3. Step 3: Cross multiply
    1,619,132.80x = 2,429,390.40 × 777,251.20
  4. Step 4: Simplify right side
    1,619,132.80x = 1,888,246,603,668.48
  5. Step 5: Solve for x
    x = 1,888,246,603,668.48/1,619,132.80
  6. Step 6: Final answer
    x = 1,166,208.60

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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.