Home / 1,262,338.26-1,896,309.92-782,920.35

Finding the Fourth Proportional to 1,262,338.26, 1,896,309.92 and 782,920.35

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Solution

The fourth proportional to 1,262,338.26, 1,896,309.92 and 782,920.35 is: 1,176,118.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,338.26 : 1,896,309.92 = 782,920.35 : x
  2. Step 2: Convert to fraction form
    1,262,338.26/1,896,309.92 = 782,920.35/x
  3. Step 3: Cross multiply
    1,262,338.26x = 1,896,309.92 × 782,920.35
  4. Step 4: Simplify right side
    1,262,338.26x = 1,484,659,626,274.87
  5. Step 5: Solve for x
    x = 1,484,659,626,274.87/1,262,338.26
  6. Step 6: Final answer
    x = 1,176,118.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.