Home / 1,273,467.36-1,758,371.38-978,650.10

Finding the Fourth Proportional to 1,273,467.36, 1,758,371.38 and 978,650.10

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Solution

The fourth proportional to 1,273,467.36, 1,758,371.38 and 978,650.10 is: 1,351,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,467.36 : 1,758,371.38 = 978,650.10 : x
  2. Step 2: Convert to fraction form
    1,273,467.36/1,758,371.38 = 978,650.10/x
  3. Step 3: Cross multiply
    1,273,467.36x = 1,758,371.38 × 978,650.10
  4. Step 4: Simplify right side
    1,273,467.36x = 1,720,830,323,051.24
  5. Step 5: Solve for x
    x = 1,720,830,323,051.24/1,273,467.36
  6. Step 6: Final answer
    x = 1,351,295.19

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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.