Home / 1,080,027.65-1,620,040.96-321,849.77

Finding the Fourth Proportional to 1,080,027.65, 1,620,040.96 and 321,849.77

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Solution

The fourth proportional to 1,080,027.65, 1,620,040.96 and 321,849.77 is: 482,774.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,027.65 : 1,620,040.96 = 321,849.77 : x
  2. Step 2: Convert to fraction form
    1,080,027.65/1,620,040.96 = 321,849.77/x
  3. Step 3: Cross multiply
    1,080,027.65x = 1,620,040.96 × 321,849.77
  4. Step 4: Simplify right side
    1,080,027.65x = 521,409,803,136.46
  5. Step 5: Solve for x
    x = 521,409,803,136.46/1,080,027.65
  6. Step 6: Final answer
    x = 482,774.49

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.