Home / 1,558,172.31-2,338,081.16-1,105,687.14

Finding the Fourth Proportional to 1,558,172.31, 2,338,081.16 and 1,105,687.14

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Solution

The fourth proportional to 1,558,172.31, 2,338,081.16 and 1,105,687.14 is: 1,659,114.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,172.31 : 2,338,081.16 = 1,105,687.14 : x
  2. Step 2: Convert to fraction form
    1,558,172.31/2,338,081.16 = 1,105,687.14/x
  3. Step 3: Cross multiply
    1,558,172.31x = 2,338,081.16 × 1,105,687.14
  4. Step 4: Simplify right side
    1,558,172.31x = 2,585,186,265,359.85
  5. Step 5: Solve for x
    x = 2,585,186,265,359.85/1,558,172.31
  6. Step 6: Final answer
    x = 1,659,114.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.