Home / 1,989,297-2,745,229.86-1,083,879

Finding the Fourth Proportional to 1,989,297, 2,745,229.86 and 1,083,879

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Solution

The fourth proportional to 1,989,297, 2,745,229.86 and 1,083,879 is: 1,495,753.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,297 : 2,745,229.86 = 1,083,879 : x
  2. Step 2: Convert to fraction form
    1,989,297/2,745,229.86 = 1,083,879/x
  3. Step 3: Cross multiply
    1,989,297x = 2,745,229.86 × 1,083,879
  4. Step 4: Simplify right side
    1,989,297x = 2,975,496,995,426.94
  5. Step 5: Solve for x
    x = 2,975,496,995,426.94/1,989,297
  6. Step 6: Final answer
    x = 1,495,753.02

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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.