Home / 1,129,842.40-1,694,821.90-288,401.44

Finding the Fourth Proportional to 1,129,842.40, 1,694,821.90 and 288,401.44

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Solution

The fourth proportional to 1,129,842.40, 1,694,821.90 and 288,401.44 is: 432,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,842.40 : 1,694,821.90 = 288,401.44 : x
  2. Step 2: Convert to fraction form
    1,129,842.40/1,694,821.90 = 288,401.44/x
  3. Step 3: Cross multiply
    1,129,842.40x = 1,694,821.90 × 288,401.44
  4. Step 4: Simplify right side
    1,129,842.40x = 488,789,076,503.54
  5. Step 5: Solve for x
    x = 488,789,076,503.54/1,129,842.40
  6. Step 6: Final answer
    x = 432,617.04

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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.