Home / 1,376,838-1,899,504-1,015,120.08

Finding the Fourth Proportional to 1,376,838, 1,899,504 and 1,015,120.08

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Solution

The fourth proportional to 1,376,838, 1,899,504 and 1,015,120.08 is: 1,400,473.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,838 : 1,899,504 = 1,015,120.08 : x
  2. Step 2: Convert to fraction form
    1,376,838/1,899,504 = 1,015,120.08/x
  3. Step 3: Cross multiply
    1,376,838x = 1,899,504 × 1,015,120.08
  4. Step 4: Simplify right side
    1,376,838x = 1,928,224,652,440.32
  5. Step 5: Solve for x
    x = 1,928,224,652,440.32/1,376,838
  6. Step 6: Final answer
    x = 1,400,473.15

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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.