Home / 1,215,245.52-1,823,126.76-416,312.64

Finding the Fourth Proportional to 1,215,245.52, 1,823,126.76 and 416,312.64

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Solution

The fourth proportional to 1,215,245.52, 1,823,126.76 and 416,312.64 is: 624,557.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,245.52 : 1,823,126.76 = 416,312.64 : x
  2. Step 2: Convert to fraction form
    1,215,245.52/1,823,126.76 = 416,312.64/x
  3. Step 3: Cross multiply
    1,215,245.52x = 1,823,126.76 × 416,312.64
  4. Step 4: Simplify right side
    1,215,245.52x = 758,990,714,510.25
  5. Step 5: Solve for x
    x = 758,990,714,510.25/1,215,245.52
  6. Step 6: Final answer
    x = 624,557.51

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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.