Home / 1,076,960.80-1,615,441.20-367,789.60

Finding the Fourth Proportional to 1,076,960.80, 1,615,441.20 and 367,789.60

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Solution

The fourth proportional to 1,076,960.80, 1,615,441.20 and 367,789.60 is: 551,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,960.80 : 1,615,441.20 = 367,789.60 : x
  2. Step 2: Convert to fraction form
    1,076,960.80/1,615,441.20 = 367,789.60/x
  3. Step 3: Cross multiply
    1,076,960.80x = 1,615,441.20 × 367,789.60
  4. Step 4: Simplify right side
    1,076,960.80x = 594,142,472,771.52
  5. Step 5: Solve for x
    x = 594,142,472,771.52/1,076,960.80
  6. Step 6: Final answer
    x = 551,684.40

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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.