Home / 1,512,488.76-2,087,287.26-824,217.30

Finding the Fourth Proportional to 1,512,488.76, 2,087,287.26 and 824,217.30

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Solution

The fourth proportional to 1,512,488.76, 2,087,287.26 and 824,217.30 is: 1,137,448.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,488.76 : 2,087,287.26 = 824,217.30 : x
  2. Step 2: Convert to fraction form
    1,512,488.76/2,087,287.26 = 824,217.30/x
  3. Step 3: Cross multiply
    1,512,488.76x = 2,087,287.26 × 824,217.30
  4. Step 4: Simplify right side
    1,512,488.76x = 1,720,378,269,761.60
  5. Step 5: Solve for x
    x = 1,720,378,269,761.60/1,512,488.76
  6. Step 6: Final answer
    x = 1,137,448.63

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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.