Home / 1,778,044.80-2,667,067.20-780,772.80

Finding the Fourth Proportional to 1,778,044.80, 2,667,067.20 and 780,772.80

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Solution

The fourth proportional to 1,778,044.80, 2,667,067.20 and 780,772.80 is: 1,171,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,044.80 : 2,667,067.20 = 780,772.80 : x
  2. Step 2: Convert to fraction form
    1,778,044.80/2,667,067.20 = 780,772.80/x
  3. Step 3: Cross multiply
    1,778,044.80x = 2,667,067.20 × 780,772.80
  4. Step 4: Simplify right side
    1,778,044.80x = 2,082,373,525,532.16
  5. Step 5: Solve for x
    x = 2,082,373,525,532.16/1,778,044.80
  6. Step 6: Final answer
    x = 1,171,159.20

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1.5x scale

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.