Home / 1,408,265.38-1,943,407.32-763,685.44

Finding the Fourth Proportional to 1,408,265.38, 1,943,407.32 and 763,685.44

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Solution

The fourth proportional to 1,408,265.38, 1,943,407.32 and 763,685.44 is: 1,053,886.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,265.38 : 1,943,407.32 = 763,685.44 : x
  2. Step 2: Convert to fraction form
    1,408,265.38/1,943,407.32 = 763,685.44/x
  3. Step 3: Cross multiply
    1,408,265.38x = 1,943,407.32 × 763,685.44
  4. Step 4: Simplify right side
    1,408,265.38x = 1,484,151,874,273.42
  5. Step 5: Solve for x
    x = 1,484,151,874,273.42/1,408,265.38
  6. Step 6: Final answer
    x = 1,053,886.50

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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.