Home / 1,686,815.55-2,530,223.42-488,738.66

Finding the Fourth Proportional to 1,686,815.55, 2,530,223.42 and 488,738.66

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Solution

The fourth proportional to 1,686,815.55, 2,530,223.42 and 488,738.66 is: 733,108.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,815.55 : 2,530,223.42 = 488,738.66 : x
  2. Step 2: Convert to fraction form
    1,686,815.55/2,530,223.42 = 488,738.66/x
  3. Step 3: Cross multiply
    1,686,815.55x = 2,530,223.42 × 488,738.66
  4. Step 4: Simplify right side
    1,686,815.55x = 1,236,617,988,696.61
  5. Step 5: Solve for x
    x = 1,236,617,988,696.61/1,686,815.55
  6. Step 6: Final answer
    x = 733,108.01

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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.