Home / 1,490,327-2,056,651.50-811,268.60

Finding the Fourth Proportional to 1,490,327, 2,056,651.50 and 811,268.60

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Solution

The fourth proportional to 1,490,327, 2,056,651.50 and 811,268.60 is: 1,119,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,327 : 2,056,651.50 = 811,268.60 : x
  2. Step 2: Convert to fraction form
    1,490,327/2,056,651.50 = 811,268.60/x
  3. Step 3: Cross multiply
    1,490,327x = 2,056,651.50 × 811,268.60
  4. Step 4: Simplify right side
    1,490,327x = 1,668,496,783,092.90
  5. Step 5: Solve for x
    x = 1,668,496,783,092.90/1,490,327
  6. Step 6: Final answer
    x = 1,119,550.80

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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.