Home / 1,107,816.56-1,662,004.79-309,097.63

Finding the Fourth Proportional to 1,107,816.56, 1,662,004.79 and 309,097.63

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Solution

The fourth proportional to 1,107,816.56, 1,662,004.79 and 309,097.63 is: 463,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,816.56 : 1,662,004.79 = 309,097.63 : x
  2. Step 2: Convert to fraction form
    1,107,816.56/1,662,004.79 = 309,097.63/x
  3. Step 3: Cross multiply
    1,107,816.56x = 1,662,004.79 × 309,097.63
  4. Step 4: Simplify right side
    1,107,816.56x = 513,721,731,782.14
  5. Step 5: Solve for x
    x = 513,721,731,782.14/1,107,816.56
  6. Step 6: Final answer
    x = 463,724.55

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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.