Home / 1,076,909.20-1,615,234.20-445,757.20

Finding the Fourth Proportional to 1,076,909.20, 1,615,234.20 and 445,757.20

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Solution

The fourth proportional to 1,076,909.20, 1,615,234.20 and 445,757.20 is: 668,582.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,909.20 : 1,615,234.20 = 445,757.20 : x
  2. Step 2: Convert to fraction form
    1,076,909.20/1,615,234.20 = 445,757.20/x
  3. Step 3: Cross multiply
    1,076,909.20x = 1,615,234.20 × 445,757.20
  4. Step 4: Simplify right side
    1,076,909.20x = 720,002,274,336.24
  5. Step 5: Solve for x
    x = 720,002,274,336.24/1,076,909.20
  6. Step 6: Final answer
    x = 668,582.16

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1.5x scale

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.