Home / 1,322,800.88-1,825,412.36-778,959.59

Finding the Fourth Proportional to 1,322,800.88, 1,825,412.36 and 778,959.59

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Solution

The fourth proportional to 1,322,800.88, 1,825,412.36 and 778,959.59 is: 1,074,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,800.88 : 1,825,412.36 = 778,959.59 : x
  2. Step 2: Convert to fraction form
    1,322,800.88/1,825,412.36 = 778,959.59/x
  3. Step 3: Cross multiply
    1,322,800.88x = 1,825,412.36 × 778,959.59
  4. Step 4: Simplify right side
    1,322,800.88x = 1,421,922,450,504.67
  5. Step 5: Solve for x
    x = 1,421,922,450,504.67/1,322,800.88
  6. Step 6: Final answer
    x = 1,074,933.10

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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.