Home / 1,219,679.40-1,829,353.02-321,045.88

Finding the Fourth Proportional to 1,219,679.40, 1,829,353.02 and 321,045.88

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Solution

The fourth proportional to 1,219,679.40, 1,829,353.02 and 321,045.88 is: 481,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,679.40 : 1,829,353.02 = 321,045.88 : x
  2. Step 2: Convert to fraction form
    1,219,679.40/1,829,353.02 = 321,045.88/x
  3. Step 3: Cross multiply
    1,219,679.40x = 1,829,353.02 × 321,045.88
  4. Step 4: Simplify right side
    1,219,679.40x = 587,306,250,136.56
  5. Step 5: Solve for x
    x = 587,306,250,136.56/1,219,679.40
  6. Step 6: Final answer
    x = 481,525.10

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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.