Home / 1,960,171.38-2,705,004.72-1,088,987.22

Finding the Fourth Proportional to 1,960,171.38, 2,705,004.72 and 1,088,987.22

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Solution

The fourth proportional to 1,960,171.38, 2,705,004.72 and 1,088,987.22 is: 1,502,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,171.38 : 2,705,004.72 = 1,088,987.22 : x
  2. Step 2: Convert to fraction form
    1,960,171.38/2,705,004.72 = 1,088,987.22/x
  3. Step 3: Cross multiply
    1,960,171.38x = 2,705,004.72 × 1,088,987.22
  4. Step 4: Simplify right side
    1,960,171.38x = 2,945,715,570,119.68
  5. Step 5: Solve for x
    x = 2,945,715,570,119.68/1,960,171.38
  6. Step 6: Final answer
    x = 1,502,784.71

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1.5x scale

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.