Home / 1,322,837.63-1,825,463.07-778,996.34

Finding the Fourth Proportional to 1,322,837.63, 1,825,463.07 and 778,996.34

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Solution

The fourth proportional to 1,322,837.63, 1,825,463.07 and 778,996.34 is: 1,074,983.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,837.63 : 1,825,463.07 = 778,996.34 : x
  2. Step 2: Convert to fraction form
    1,322,837.63/1,825,463.07 = 778,996.34/x
  3. Step 3: Cross multiply
    1,322,837.63x = 1,825,463.07 × 778,996.34
  4. Step 4: Simplify right side
    1,322,837.63x = 1,422,029,041,207.85
  5. Step 5: Solve for x
    x = 1,422,029,041,207.85/1,322,837.63
  6. Step 6: Final answer
    x = 1,074,983.82

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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.