Home / 1,131,945.98-1,697,702.24-439,512.91

Finding the Fourth Proportional to 1,131,945.98, 1,697,702.24 and 439,512.91

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Solution

The fourth proportional to 1,131,945.98, 1,697,702.24 and 439,512.91 is: 659,185.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,945.98 : 1,697,702.24 = 439,512.91 : x
  2. Step 2: Convert to fraction form
    1,131,945.98/1,697,702.24 = 439,512.91/x
  3. Step 3: Cross multiply
    1,131,945.98x = 1,697,702.24 × 439,512.91
  4. Step 4: Simplify right side
    1,131,945.98x = 746,162,048,670.45
  5. Step 5: Solve for x
    x = 746,162,048,670.45/1,131,945.98
  6. Step 6: Final answer
    x = 659,185.21

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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.