Home / 1,330,782.12-1,996,745.04-432,499.14

Finding the Fourth Proportional to 1,330,782.12, 1,996,745.04 and 432,499.14

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Solution

The fourth proportional to 1,330,782.12, 1,996,745.04 and 432,499.14 is: 648,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,782.12 : 1,996,745.04 = 432,499.14 : x
  2. Step 2: Convert to fraction form
    1,330,782.12/1,996,745.04 = 432,499.14/x
  3. Step 3: Cross multiply
    1,330,782.12x = 1,996,745.04 × 432,499.14
  4. Step 4: Simplify right side
    1,330,782.12x = 863,590,512,599.27
  5. Step 5: Solve for x
    x = 863,590,512,599.27/1,330,782.12
  6. Step 6: Final answer
    x = 648,934.56

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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.