Home / 1,348,611.23-1,861,120.02-805,062.49

Finding the Fourth Proportional to 1,348,611.23, 1,861,120.02 and 805,062.49

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Solution

The fourth proportional to 1,348,611.23, 1,861,120.02 and 805,062.49 is: 1,111,008.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,611.23 : 1,861,120.02 = 805,062.49 : x
  2. Step 2: Convert to fraction form
    1,348,611.23/1,861,120.02 = 805,062.49/x
  3. Step 3: Cross multiply
    1,348,611.23x = 1,861,120.02 × 805,062.49
  4. Step 4: Simplify right side
    1,348,611.23x = 1,498,317,917,490.05
  5. Step 5: Solve for x
    x = 1,498,317,917,490.05/1,348,611.23
  6. Step 6: Final answer
    x = 1,111,008.04

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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.