Home / 4,308,706.80-6,464,007.90-1,276,309.80

Finding the Fourth Proportional to 4,308,706.80, 6,464,007.90 and 1,276,309.80

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Solution

The fourth proportional to 4,308,706.80, 6,464,007.90 and 1,276,309.80 is: 1,914,745.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308,706.80 : 6,464,007.90 = 1,276,309.80 : x
  2. Step 2: Convert to fraction form
    4,308,706.80/6,464,007.90 = 1,276,309.80/x
  3. Step 3: Cross multiply
    4,308,706.80x = 6,464,007.90 × 1,276,309.80
  4. Step 4: Simplify right side
    4,308,706.80x = 8,250,076,630,047.42
  5. Step 5: Solve for x
    x = 8,250,076,630,047.42/4,308,706.80
  6. Step 6: Final answer
    x = 1,914,745.42

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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.