Home / 1,203,894.87-1,661,330.82-660,018.70

Finding the Fourth Proportional to 1,203,894.87, 1,661,330.82 and 660,018.70

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Solution

The fourth proportional to 1,203,894.87, 1,661,330.82 and 660,018.70 is: 910,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,894.87 : 1,661,330.82 = 660,018.70 : x
  2. Step 2: Convert to fraction form
    1,203,894.87/1,661,330.82 = 660,018.70/x
  3. Step 3: Cross multiply
    1,203,894.87x = 1,661,330.82 × 660,018.70
  4. Step 4: Simplify right side
    1,203,894.87x = 1,096,509,408,086.33
  5. Step 5: Solve for x
    x = 1,096,509,408,086.33/1,203,894.87
  6. Step 6: Final answer
    x = 910,801.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.