Home / 1,088,371.49-1,634,919.19-920,229.46

Finding the Fourth Proportional to 1,088,371.49, 1,634,919.19 and 920,229.46

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Solution

The fourth proportional to 1,088,371.49, 1,634,919.19 and 920,229.46 is: 1,382,341.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,371.49 : 1,634,919.19 = 920,229.46 : x
  2. Step 2: Convert to fraction form
    1,088,371.49/1,634,919.19 = 920,229.46/x
  3. Step 3: Cross multiply
    1,088,371.49x = 1,634,919.19 × 920,229.46
  4. Step 4: Simplify right side
    1,088,371.49x = 1,504,500,796,969.47
  5. Step 5: Solve for x
    x = 1,504,500,796,969.47/1,088,371.49
  6. Step 6: Final answer
    x = 1,382,341.25

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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.