Home / 1,322,642.14-1,825,414.98-778,828.52

Finding the Fourth Proportional to 1,322,642.14, 1,825,414.98 and 778,828.52

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Solution

The fourth proportional to 1,322,642.14, 1,825,414.98 and 778,828.52 is: 1,074,882.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,642.14 : 1,825,414.98 = 778,828.52 : x
  2. Step 2: Convert to fraction form
    1,322,642.14/1,825,414.98 = 778,828.52/x
  3. Step 3: Cross multiply
    1,322,642.14x = 1,825,414.98 × 778,828.52
  4. Step 4: Simplify right side
    1,322,642.14x = 1,421,685,247,259.23
  5. Step 5: Solve for x
    x = 1,421,685,247,259.23/1,322,642.14
  6. Step 6: Final answer
    x = 1,074,882.77

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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.