Home / 1,286,848.32-1,775,898-777,451.92

Finding the Fourth Proportional to 1,286,848.32, 1,775,898 and 777,451.92

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Solution

The fourth proportional to 1,286,848.32, 1,775,898 and 777,451.92 is: 1,072,912.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,848.32 : 1,775,898 = 777,451.92 : x
  2. Step 2: Convert to fraction form
    1,286,848.32/1,775,898 = 777,451.92/x
  3. Step 3: Cross multiply
    1,286,848.32x = 1,775,898 × 777,451.92
  4. Step 4: Simplify right side
    1,286,848.32x = 1,380,675,309,824.16
  5. Step 5: Solve for x
    x = 1,380,675,309,824.16/1,286,848.32
  6. Step 6: Final answer
    x = 1,072,912.24

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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.