Home / 1,107,828.13-1,662,022.14-309,109.18

Finding the Fourth Proportional to 1,107,828.13, 1,662,022.14 and 309,109.18

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Solution

The fourth proportional to 1,107,828.13, 1,662,022.14 and 309,109.18 is: 463,741.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,828.13 : 1,662,022.14 = 309,109.18 : x
  2. Step 2: Convert to fraction form
    1,107,828.13/1,662,022.14 = 309,109.18/x
  3. Step 3: Cross multiply
    1,107,828.13x = 1,662,022.14 × 309,109.18
  4. Step 4: Simplify right side
    1,107,828.13x = 513,746,300,837.25
  5. Step 5: Solve for x
    x = 513,746,300,837.25/1,107,828.13
  6. Step 6: Final answer
    x = 463,741.88

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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.