Home / 1,294,289.80-1,941,089.10-395,729.80

Finding the Fourth Proportional to 1,294,289.80, 1,941,089.10 and 395,729.80

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Solution

The fourth proportional to 1,294,289.80, 1,941,089.10 and 395,729.80 is: 593,489.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,289.80 : 1,941,089.10 = 395,729.80 : x
  2. Step 2: Convert to fraction form
    1,294,289.80/1,941,089.10 = 395,729.80/x
  3. Step 3: Cross multiply
    1,294,289.80x = 1,941,089.10 × 395,729.80
  4. Step 4: Simplify right side
    1,294,289.80x = 768,146,801,325.18
  5. Step 5: Solve for x
    x = 768,146,801,325.18/1,294,289.80
  6. Step 6: Final answer
    x = 593,489.03

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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.