Home / 1,681,802.38-2,320,080.07-1,100,769.70

Finding the Fourth Proportional to 1,681,802.38, 2,320,080.07 and 1,100,769.70

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Solution

The fourth proportional to 1,681,802.38, 2,320,080.07 and 1,100,769.70 is: 1,518,533.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,802.38 : 2,320,080.07 = 1,100,769.70 : x
  2. Step 2: Convert to fraction form
    1,681,802.38/2,320,080.07 = 1,100,769.70/x
  3. Step 3: Cross multiply
    1,681,802.38x = 2,320,080.07 × 1,100,769.70
  4. Step 4: Simplify right side
    1,681,802.38x = 2,553,873,842,629.88
  5. Step 5: Solve for x
    x = 2,553,873,842,629.88/1,681,802.38
  6. Step 6: Final answer
    x = 1,518,533.85

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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.