Home / 1,540,789.03-2,126,969.90-920,812.92

Finding the Fourth Proportional to 1,540,789.03, 2,126,969.90 and 920,812.92

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Solution

The fourth proportional to 1,540,789.03, 2,126,969.90 and 920,812.92 is: 1,271,128.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,789.03 : 2,126,969.90 = 920,812.92 : x
  2. Step 2: Convert to fraction form
    1,540,789.03/2,126,969.90 = 920,812.92/x
  3. Step 3: Cross multiply
    1,540,789.03x = 2,126,969.90 × 920,812.92
  4. Step 4: Simplify right side
    1,540,789.03x = 1,958,541,364,371.11
  5. Step 5: Solve for x
    x = 1,958,541,364,371.11/1,540,789.03
  6. Step 6: Final answer
    x = 1,271,128.83

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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.