Home / 1,520,241.22-2,097,933.06-831,913.20

Finding the Fourth Proportional to 1,520,241.22, 2,097,933.06 and 831,913.20

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Solution

The fourth proportional to 1,520,241.22, 2,097,933.06 and 831,913.20 is: 1,148,040.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,241.22 : 2,097,933.06 = 831,913.20 : x
  2. Step 2: Convert to fraction form
    1,520,241.22/2,097,933.06 = 831,913.20/x
  3. Step 3: Cross multiply
    1,520,241.22x = 2,097,933.06 × 831,913.20
  4. Step 4: Simplify right side
    1,520,241.22x = 1,745,298,205,330.39
  5. Step 5: Solve for x
    x = 1,745,298,205,330.39/1,520,241.22
  6. Step 6: Final answer
    x = 1,148,040.31

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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.