Home / 1,513,310.69-2,088,264.11-851,121.71

Finding the Fourth Proportional to 1,513,310.69, 2,088,264.11 and 851,121.71

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Solution

The fourth proportional to 1,513,310.69, 2,088,264.11 and 851,121.71 is: 1,174,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,310.69 : 2,088,264.11 = 851,121.71 : x
  2. Step 2: Convert to fraction form
    1,513,310.69/2,088,264.11 = 851,121.71/x
  3. Step 3: Cross multiply
    1,513,310.69x = 2,088,264.11 × 851,121.71
  4. Step 4: Simplify right side
    1,513,310.69x = 1,777,366,915,979.22
  5. Step 5: Solve for x
    x = 1,777,366,915,979.22/1,513,310.69
  6. Step 6: Final answer
    x = 1,174,489.10

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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.