Home / 1,485,163.50-2,049,355.17-831,698.34

Finding the Fourth Proportional to 1,485,163.50, 2,049,355.17 and 831,698.34

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Solution

The fourth proportional to 1,485,163.50, 2,049,355.17 and 831,698.34 is: 1,147,648.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,163.50 : 2,049,355.17 = 831,698.34 : x
  2. Step 2: Convert to fraction form
    1,485,163.50/2,049,355.17 = 831,698.34/x
  3. Step 3: Cross multiply
    1,485,163.50x = 2,049,355.17 × 831,698.34
  4. Step 4: Simplify right side
    1,485,163.50x = 1,704,445,292,959.42
  5. Step 5: Solve for x
    x = 1,704,445,292,959.42/1,485,163.50
  6. Step 6: Final answer
    x = 1,147,648.25

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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.