Home / 969,981.34-1,338,110.66-753,640.87

Finding the Fourth Proportional to 969,981.34, 1,338,110.66 and 753,640.87

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Solution

The fourth proportional to 969,981.34, 1,338,110.66 and 753,640.87 is: 1,039,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,981.34 : 1,338,110.66 = 753,640.87 : x
  2. Step 2: Convert to fraction form
    969,981.34/1,338,110.66 = 753,640.87/x
  3. Step 3: Cross multiply
    969,981.34x = 1,338,110.66 × 753,640.87
  4. Step 4: Simplify right side
    969,981.34x = 1,008,454,878,190.47
  5. Step 5: Solve for x
    x = 1,008,454,878,190.47/969,981.34
  6. Step 6: Final answer
    x = 1,039,664.20

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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.