Home / 1,275,427.69-1,760,090.21-702,467.86

Finding the Fourth Proportional to 1,275,427.69, 1,760,090.21 and 702,467.86

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Solution

The fourth proportional to 1,275,427.69, 1,760,090.21 and 702,467.86 is: 969,405.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,427.69 : 1,760,090.21 = 702,467.86 : x
  2. Step 2: Convert to fraction form
    1,275,427.69/1,760,090.21 = 702,467.86/x
  3. Step 3: Cross multiply
    1,275,427.69x = 1,760,090.21 × 702,467.86
  4. Step 4: Simplify right side
    1,275,427.69x = 1,236,406,801,247.51
  5. Step 5: Solve for x
    x = 1,236,406,801,247.51/1,275,427.69
  6. Step 6: Final answer
    x = 969,405.65

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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.