Home / 1,076,829.60-1,614,661.20-445,807.20

Finding the Fourth Proportional to 1,076,829.60, 1,614,661.20 and 445,807.20

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Solution

The fourth proportional to 1,076,829.60, 1,614,661.20 and 445,807.20 is: 668,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,829.60 : 1,614,661.20 = 445,807.20 : x
  2. Step 2: Convert to fraction form
    1,076,829.60/1,614,661.20 = 445,807.20/x
  3. Step 3: Cross multiply
    1,076,829.60x = 1,614,661.20 × 445,807.20
  4. Step 4: Simplify right side
    1,076,829.60x = 719,827,588,520.64
  5. Step 5: Solve for x
    x = 719,827,588,520.64/1,076,829.60
  6. Step 6: Final answer
    x = 668,469.36

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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.