Home / 1,552,990.46-2,142,797.39-979,698.38

Finding the Fourth Proportional to 1,552,990.46, 2,142,797.39 and 979,698.38

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Solution

The fourth proportional to 1,552,990.46, 2,142,797.39 and 979,698.38 is: 1,351,775.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,990.46 : 2,142,797.39 = 979,698.38 : x
  2. Step 2: Convert to fraction form
    1,552,990.46/2,142,797.39 = 979,698.38/x
  3. Step 3: Cross multiply
    1,552,990.46x = 2,142,797.39 × 979,698.38
  4. Step 4: Simplify right side
    1,552,990.46x = 2,099,295,119,712.62
  5. Step 5: Solve for x
    x = 2,099,295,119,712.62/1,552,990.46
  6. Step 6: Final answer
    x = 1,351,775.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.