Home / 1,379,433.20-2,069,214.60-432,834.80

Finding the Fourth Proportional to 1,379,433.20, 2,069,214.60 and 432,834.80

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Solution

The fourth proportional to 1,379,433.20, 2,069,214.60 and 432,834.80 is: 649,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,433.20 : 2,069,214.60 = 432,834.80 : x
  2. Step 2: Convert to fraction form
    1,379,433.20/2,069,214.60 = 432,834.80/x
  3. Step 3: Cross multiply
    1,379,433.20x = 2,069,214.60 × 432,834.80
  4. Step 4: Simplify right side
    1,379,433.20x = 895,628,087,548.08
  5. Step 5: Solve for x
    x = 895,628,087,548.08/1,379,433.20
  6. Step 6: Final answer
    x = 649,272.53

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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.