Home / 1,367,721-1,887,420.42-764,113.32

Finding the Fourth Proportional to 1,367,721, 1,887,420.42 and 764,113.32

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Solution

The fourth proportional to 1,367,721, 1,887,420.42 and 764,113.32 is: 1,054,457.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,721 : 1,887,420.42 = 764,113.32 : x
  2. Step 2: Convert to fraction form
    1,367,721/1,887,420.42 = 764,113.32/x
  3. Step 3: Cross multiply
    1,367,721x = 1,887,420.42 × 764,113.32
  4. Step 4: Simplify right side
    1,367,721x = 1,442,203,083,361.99
  5. Step 5: Solve for x
    x = 1,442,203,083,361.99/1,367,721
  6. Step 6: Final answer
    x = 1,054,457.07

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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.