Home / 1,479,920.07-2,042,289.69-800,856.57

Finding the Fourth Proportional to 1,479,920.07, 2,042,289.69 and 800,856.57

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Solution

The fourth proportional to 1,479,920.07, 2,042,289.69 and 800,856.57 is: 1,105,182.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,920.07 : 2,042,289.69 = 800,856.57 : x
  2. Step 2: Convert to fraction form
    1,479,920.07/2,042,289.69 = 800,856.57/x
  3. Step 3: Cross multiply
    1,479,920.07x = 2,042,289.69 × 800,856.57
  4. Step 4: Simplify right side
    1,479,920.07x = 1,635,581,116,079.76
  5. Step 5: Solve for x
    x = 1,635,581,116,079.76/1,479,920.07
  6. Step 6: Final answer
    x = 1,105,182.06

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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.