Home / 1,086,048.33-1,629,150.38-287,320.38

Finding the Fourth Proportional to 1,086,048.33, 1,629,150.38 and 287,320.38

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Solution

The fourth proportional to 1,086,048.33, 1,629,150.38 and 287,320.38 is: 431,001.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,048.33 : 1,629,150.38 = 287,320.38 : x
  2. Step 2: Convert to fraction form
    1,086,048.33/1,629,150.38 = 287,320.38/x
  3. Step 3: Cross multiply
    1,086,048.33x = 1,629,150.38 × 287,320.38
  4. Step 4: Simplify right side
    1,086,048.33x = 468,088,106,258.74
  5. Step 5: Solve for x
    x = 468,088,106,258.74/1,086,048.33
  6. Step 6: Final answer
    x = 431,001.17

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1.5x scale

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.