Home / 1,540,792.04-2,126,974.04-920,815.92

Finding the Fourth Proportional to 1,540,792.04, 2,126,974.04 and 920,815.92

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Solution

The fourth proportional to 1,540,792.04, 2,126,974.04 and 920,815.92 is: 1,271,132.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,792.04 : 2,126,974.04 = 920,815.92 : x
  2. Step 2: Convert to fraction form
    1,540,792.04/2,126,974.04 = 920,815.92/x
  3. Step 3: Cross multiply
    1,540,792.04x = 2,126,974.04 × 920,815.92
  4. Step 4: Simplify right side
    1,540,792.04x = 1,958,551,557,458.72
  5. Step 5: Solve for x
    x = 1,958,551,557,458.72/1,540,792.04
  6. Step 6: Final answer
    x = 1,271,132.97

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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.