Home / 1,120,969.94-1,546,972.70-637,604.73

Finding the Fourth Proportional to 1,120,969.94, 1,546,972.70 and 637,604.73

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Solution

The fourth proportional to 1,120,969.94, 1,546,972.70 and 637,604.73 is: 879,913.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,969.94 : 1,546,972.70 = 637,604.73 : x
  2. Step 2: Convert to fraction form
    1,120,969.94/1,546,972.70 = 637,604.73/x
  3. Step 3: Cross multiply
    1,120,969.94x = 1,546,972.70 × 637,604.73
  4. Step 4: Simplify right side
    1,120,969.94x = 986,357,107,512.85
  5. Step 5: Solve for x
    x = 986,357,107,512.85/1,120,969.94
  6. Step 6: Final answer
    x = 879,913.97

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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.