Home / 1,421,801.92-1,962,082.20-777,222.32

Finding the Fourth Proportional to 1,421,801.92, 1,962,082.20 and 777,222.32

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Solution

The fourth proportional to 1,421,801.92, 1,962,082.20 and 777,222.32 is: 1,072,564.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,801.92 : 1,962,082.20 = 777,222.32 : x
  2. Step 2: Convert to fraction form
    1,421,801.92/1,962,082.20 = 777,222.32/x
  3. Step 3: Cross multiply
    1,421,801.92x = 1,962,082.20 × 777,222.32
  4. Step 4: Simplify right side
    1,421,801.92x = 1,524,974,079,514.70
  5. Step 5: Solve for x
    x = 1,524,974,079,514.70/1,421,801.92
  6. Step 6: Final answer
    x = 1,072,564.37

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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.