Home / 1,601,121.21-2,209,509.34-875,974.85

Finding the Fourth Proportional to 1,601,121.21, 2,209,509.34 and 875,974.85

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Solution

The fourth proportional to 1,601,121.21, 2,209,509.34 and 875,974.85 is: 1,208,824.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,121.21 : 2,209,509.34 = 875,974.85 : x
  2. Step 2: Convert to fraction form
    1,601,121.21/2,209,509.34 = 875,974.85/x
  3. Step 3: Cross multiply
    1,601,121.21x = 2,209,509.34 × 875,974.85
  4. Step 4: Simplify right side
    1,601,121.21x = 1,935,474,616,013.94
  5. Step 5: Solve for x
    x = 1,935,474,616,013.94/1,601,121.21
  6. Step 6: Final answer
    x = 1,208,824.54

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1.5x scale

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.