Home / 1,268,656.20-1,903,070.70-404,022.60

Finding the Fourth Proportional to 1,268,656.20, 1,903,070.70 and 404,022.60

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Solution

The fourth proportional to 1,268,656.20, 1,903,070.70 and 404,022.60 is: 606,061.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,656.20 : 1,903,070.70 = 404,022.60 : x
  2. Step 2: Convert to fraction form
    1,268,656.20/1,903,070.70 = 404,022.60/x
  3. Step 3: Cross multiply
    1,268,656.20x = 1,903,070.70 × 404,022.60
  4. Step 4: Simplify right side
    1,268,656.20x = 768,883,572,197.82
  5. Step 5: Solve for x
    x = 768,883,572,197.82/1,268,656.20
  6. Step 6: Final answer
    x = 606,061.42

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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.