Home / 1,211,651.52-1,672,080.48-702,649.68

Finding the Fourth Proportional to 1,211,651.52, 1,672,080.48 and 702,649.68

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Solution

The fourth proportional to 1,211,651.52, 1,672,080.48 and 702,649.68 is: 969,657.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,651.52 : 1,672,080.48 = 702,649.68 : x
  2. Step 2: Convert to fraction form
    1,211,651.52/1,672,080.48 = 702,649.68/x
  3. Step 3: Cross multiply
    1,211,651.52x = 1,672,080.48 × 702,649.68
  4. Step 4: Simplify right side
    1,211,651.52x = 1,174,886,814,206.25
  5. Step 5: Solve for x
    x = 1,174,886,814,206.25/1,211,651.52
  6. Step 6: Final answer
    x = 969,657.36

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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.