Home / 1,479,992.40-2,042,389.52-800,928.88

Finding the Fourth Proportional to 1,479,992.40, 2,042,389.52 and 800,928.88

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Solution

The fourth proportional to 1,479,992.40, 2,042,389.52 and 800,928.88 is: 1,105,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,992.40 : 2,042,389.52 = 800,928.88 : x
  2. Step 2: Convert to fraction form
    1,479,992.40/2,042,389.52 = 800,928.88/x
  3. Step 3: Cross multiply
    1,479,992.40x = 2,042,389.52 × 800,928.88
  4. Step 4: Simplify right side
    1,479,992.40x = 1,635,808,750,777.34
  5. Step 5: Solve for x
    x = 1,635,808,750,777.34/1,479,992.40
  6. Step 6: Final answer
    x = 1,105,281.86

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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.