Home / 1,092,646.80-1,638,192.60-418,467.60

Finding the Fourth Proportional to 1,092,646.80, 1,638,192.60 and 418,467.60

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Solution

The fourth proportional to 1,092,646.80, 1,638,192.60 and 418,467.60 is: 627,403.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,646.80 : 1,638,192.60 = 418,467.60 : x
  2. Step 2: Convert to fraction form
    1,092,646.80/1,638,192.60 = 418,467.60/x
  3. Step 3: Cross multiply
    1,092,646.80x = 1,638,192.60 × 418,467.60
  4. Step 4: Simplify right side
    1,092,646.80x = 685,530,525,659.76
  5. Step 5: Solve for x
    x = 685,530,525,659.76/1,092,646.80
  6. Step 6: Final answer
    x = 627,403.59

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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.