Home / 1,515,295.20-2,272,923.36-435,834.12

Finding the Fourth Proportional to 1,515,295.20, 2,272,923.36 and 435,834.12

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Solution

The fourth proportional to 1,515,295.20, 2,272,923.36 and 435,834.12 is: 653,745.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,295.20 : 2,272,923.36 = 435,834.12 : x
  2. Step 2: Convert to fraction form
    1,515,295.20/2,272,923.36 = 435,834.12/x
  3. Step 3: Cross multiply
    1,515,295.20x = 2,272,923.36 × 435,834.12
  4. Step 4: Simplify right side
    1,515,295.20x = 990,617,552,433.04
  5. Step 5: Solve for x
    x = 990,617,552,433.04/1,515,295.20
  6. Step 6: Final answer
    x = 653,745.59

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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.