Home / 1,384,229.20-2,074,108.20-783,403.60

Finding the Fourth Proportional to 1,384,229.20, 2,074,108.20 and 783,403.60

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Solution

The fourth proportional to 1,384,229.20, 2,074,108.20 and 783,403.60 is: 1,173,840.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,229.20 : 2,074,108.20 = 783,403.60 : x
  2. Step 2: Convert to fraction form
    1,384,229.20/2,074,108.20 = 783,403.60/x
  3. Step 3: Cross multiply
    1,384,229.20x = 2,074,108.20 × 783,403.60
  4. Step 4: Simplify right side
    1,384,229.20x = 1,624,863,830,669.52
  5. Step 5: Solve for x
    x = 1,624,863,830,669.52/1,384,229.20
  6. Step 6: Final answer
    x = 1,173,840.16

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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.