Home / 1,361,621.38-1,878,963.07-749,657.92

Finding the Fourth Proportional to 1,361,621.38, 1,878,963.07 and 749,657.92

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Solution

The fourth proportional to 1,361,621.38, 1,878,963.07 and 749,657.92 is: 1,034,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,621.38 : 1,878,963.07 = 749,657.92 : x
  2. Step 2: Convert to fraction form
    1,361,621.38/1,878,963.07 = 749,657.92/x
  3. Step 3: Cross multiply
    1,361,621.38x = 1,878,963.07 × 749,657.92
  4. Step 4: Simplify right side
    1,361,621.38x = 1,408,579,546,813.01
  5. Step 5: Solve for x
    x = 1,408,579,546,813.01/1,361,621.38
  6. Step 6: Final answer
    x = 1,034,486.95

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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.