Home / 1,219,278.24-1,682,631-695,978.16

Finding the Fourth Proportional to 1,219,278.24, 1,682,631 and 695,978.16

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Solution

The fourth proportional to 1,219,278.24, 1,682,631 and 695,978.16 is: 960,465.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,278.24 : 1,682,631 = 695,978.16 : x
  2. Step 2: Convert to fraction form
    1,219,278.24/1,682,631 = 695,978.16/x
  3. Step 3: Cross multiply
    1,219,278.24x = 1,682,631 × 695,978.16
  4. Step 4: Simplify right side
    1,219,278.24x = 1,171,074,427,338.96
  5. Step 5: Solve for x
    x = 1,171,074,427,338.96/1,219,278.24
  6. Step 6: Final answer
    x = 960,465.29

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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.