Home / 1,382,149.88-1,907,323.98-778,524.92

Finding the Fourth Proportional to 1,382,149.88, 1,907,323.98 and 778,524.92

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Solution

The fourth proportional to 1,382,149.88, 1,907,323.98 and 778,524.92 is: 1,074,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,149.88 : 1,907,323.98 = 778,524.92 : x
  2. Step 2: Convert to fraction form
    1,382,149.88/1,907,323.98 = 778,524.92/x
  3. Step 3: Cross multiply
    1,382,149.88x = 1,907,323.98 × 778,524.92
  4. Step 4: Simplify right side
    1,382,149.88x = 1,484,899,248,943.58
  5. Step 5: Solve for x
    x = 1,484,899,248,943.58/1,382,149.88
  6. Step 6: Final answer
    x = 1,074,340.25

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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.