Home / 1,078,748.80-1,616,827.20-447,337.60

Finding the Fourth Proportional to 1,078,748.80, 1,616,827.20 and 447,337.60

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Solution

The fourth proportional to 1,078,748.80, 1,616,827.20 and 447,337.60 is: 670,468.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,748.80 : 1,616,827.20 = 447,337.60 : x
  2. Step 2: Convert to fraction form
    1,078,748.80/1,616,827.20 = 447,337.60/x
  3. Step 3: Cross multiply
    1,078,748.80x = 1,616,827.20 × 447,337.60
  4. Step 4: Simplify right side
    1,078,748.80x = 723,267,599,262.72
  5. Step 5: Solve for x
    x = 723,267,599,262.72/1,078,748.80
  6. Step 6: Final answer
    x = 670,468.97

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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.