Home / 1,228,471.79-1,695,216.47-677,163.34

Finding the Fourth Proportional to 1,228,471.79, 1,695,216.47 and 677,163.34

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Solution

The fourth proportional to 1,228,471.79, 1,695,216.47 and 677,163.34 is: 934,444.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,471.79 : 1,695,216.47 = 677,163.34 : x
  2. Step 2: Convert to fraction form
    1,228,471.79/1,695,216.47 = 677,163.34/x
  3. Step 3: Cross multiply
    1,228,471.79x = 1,695,216.47 × 677,163.34
  4. Step 4: Simplify right side
    1,228,471.79x = 1,147,938,451,294.98
  5. Step 5: Solve for x
    x = 1,147,938,451,294.98/1,228,471.79
  6. Step 6: Final answer
    x = 934,444.29

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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.