Home / 1,423,630.80-2,135,446.20-760,078.80

Finding the Fourth Proportional to 1,423,630.80, 2,135,446.20 and 760,078.80

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Solution

The fourth proportional to 1,423,630.80, 2,135,446.20 and 760,078.80 is: 1,140,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,630.80 : 2,135,446.20 = 760,078.80 : x
  2. Step 2: Convert to fraction form
    1,423,630.80/2,135,446.20 = 760,078.80/x
  3. Step 3: Cross multiply
    1,423,630.80x = 2,135,446.20 × 760,078.80
  4. Step 4: Simplify right side
    1,423,630.80x = 1,623,107,385,160.56
  5. Step 5: Solve for x
    x = 1,623,107,385,160.56/1,423,630.80
  6. Step 6: Final answer
    x = 1,140,118.20

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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.