Home / 1,368,725.59-1,888,853.54-756,919.51

Finding the Fourth Proportional to 1,368,725.59, 1,888,853.54 and 756,919.51

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Solution

The fourth proportional to 1,368,725.59, 1,888,853.54 and 756,919.51 is: 1,044,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,725.59 : 1,888,853.54 = 756,919.51 : x
  2. Step 2: Convert to fraction form
    1,368,725.59/1,888,853.54 = 756,919.51/x
  3. Step 3: Cross multiply
    1,368,725.59x = 1,888,853.54 × 756,919.51
  4. Step 4: Simplify right side
    1,368,725.59x = 1,429,710,093,128.73
  5. Step 5: Solve for x
    x = 1,429,710,093,128.73/1,368,725.59
  6. Step 6: Final answer
    x = 1,044,555.68

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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.