Home / 1,520,095.28-2,097,699.04-831,764.48

Finding the Fourth Proportional to 1,520,095.28, 2,097,699.04 and 831,764.48

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Solution

The fourth proportional to 1,520,095.28, 2,097,699.04 and 831,764.48 is: 1,147,817.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,095.28 : 2,097,699.04 = 831,764.48 : x
  2. Step 2: Convert to fraction form
    1,520,095.28/2,097,699.04 = 831,764.48/x
  3. Step 3: Cross multiply
    1,520,095.28x = 2,097,699.04 × 831,764.48
  4. Step 4: Simplify right side
    1,520,095.28x = 1,744,791,551,202.10
  5. Step 5: Solve for x
    x = 1,744,791,551,202.10/1,520,095.28
  6. Step 6: Final answer
    x = 1,147,817.23

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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.