Home / 1,306,861.02-1,960,563.69-408,266.46

Finding the Fourth Proportional to 1,306,861.02, 1,960,563.69 and 408,266.46

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Solution

The fourth proportional to 1,306,861.02, 1,960,563.69 and 408,266.46 is: 612,484.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,861.02 : 1,960,563.69 = 408,266.46 : x
  2. Step 2: Convert to fraction form
    1,306,861.02/1,960,563.69 = 408,266.46/x
  3. Step 3: Cross multiply
    1,306,861.02x = 1,960,563.69 × 408,266.46
  4. Step 4: Simplify right side
    1,306,861.02x = 800,432,397,320.84
  5. Step 5: Solve for x
    x = 800,432,397,320.84/1,306,861.02
  6. Step 6: Final answer
    x = 612,484.71

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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.