Home / 1,076,103.07-1,614,107.89-402,190.20

Finding the Fourth Proportional to 1,076,103.07, 1,614,107.89 and 402,190.20

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Solution

The fourth proportional to 1,076,103.07, 1,614,107.89 and 402,190.20 is: 603,267.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,103.07 : 1,614,107.89 = 402,190.20 : x
  2. Step 2: Convert to fraction form
    1,076,103.07/1,614,107.89 = 402,190.20/x
  3. Step 3: Cross multiply
    1,076,103.07x = 1,614,107.89 × 402,190.20
  4. Step 4: Simplify right side
    1,076,103.07x = 649,178,375,100.68
  5. Step 5: Solve for x
    x = 649,178,375,100.68/1,076,103.07
  6. Step 6: Final answer
    x = 603,267.84

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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.