Home / 1,242,187.60-1,862,820.60-494,078.80

Finding the Fourth Proportional to 1,242,187.60, 1,862,820.60 and 494,078.80

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Solution

The fourth proportional to 1,242,187.60, 1,862,820.60 and 494,078.80 is: 740,934.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,187.60 : 1,862,820.60 = 494,078.80 : x
  2. Step 2: Convert to fraction form
    1,242,187.60/1,862,820.60 = 494,078.80/x
  3. Step 3: Cross multiply
    1,242,187.60x = 1,862,820.60 × 494,078.80
  4. Step 4: Simplify right side
    1,242,187.60x = 920,380,166,663.28
  5. Step 5: Solve for x
    x = 920,380,166,663.28/1,242,187.60
  6. Step 6: Final answer
    x = 740,934.92

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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.