Home / 1,408,264.38-1,943,405.94-763,684.44

Finding the Fourth Proportional to 1,408,264.38, 1,943,405.94 and 763,684.44

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Solution

The fourth proportional to 1,408,264.38, 1,943,405.94 and 763,684.44 is: 1,053,885.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,264.38 : 1,943,405.94 = 763,684.44 : x
  2. Step 2: Convert to fraction form
    1,408,264.38/1,943,405.94 = 763,684.44/x
  3. Step 3: Cross multiply
    1,408,264.38x = 1,943,405.94 × 763,684.44
  4. Step 4: Simplify right side
    1,408,264.38x = 1,484,148,876,981.57
  5. Step 5: Solve for x
    x = 1,484,148,876,981.57/1,408,264.38
  6. Step 6: Final answer
    x = 1,053,885.12

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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.