Home / 1,429,636.36-1,972,820.82-785,141.32

Finding the Fourth Proportional to 1,429,636.36, 1,972,820.82 and 785,141.32

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Solution

The fourth proportional to 1,429,636.36, 1,972,820.82 and 785,141.32 is: 1,083,452.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,636.36 : 1,972,820.82 = 785,141.32 : x
  2. Step 2: Convert to fraction form
    1,429,636.36/1,972,820.82 = 785,141.32/x
  3. Step 3: Cross multiply
    1,429,636.36x = 1,972,820.82 × 785,141.32
  4. Step 4: Simplify right side
    1,429,636.36x = 1,548,943,142,738.28
  5. Step 5: Solve for x
    x = 1,548,943,142,738.28/1,429,636.36
  6. Step 6: Final answer
    x = 1,083,452.54

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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.