Home / 1,368,053.18-1,888,100.92-787,264.38

Finding the Fourth Proportional to 1,368,053.18, 1,888,100.92 and 787,264.38

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Solution

The fourth proportional to 1,368,053.18, 1,888,100.92 and 787,264.38 is: 1,086,532.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,053.18 : 1,888,100.92 = 787,264.38 : x
  2. Step 2: Convert to fraction form
    1,368,053.18/1,888,100.92 = 787,264.38/x
  3. Step 3: Cross multiply
    1,368,053.18x = 1,888,100.92 × 787,264.38
  4. Step 4: Simplify right side
    1,368,053.18x = 1,486,434,600,161.23
  5. Step 5: Solve for x
    x = 1,486,434,600,161.23/1,368,053.18
  6. Step 6: Final answer
    x = 1,086,532.76

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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.