Home / 1,643,637.62-2,268,445.02-945,903.62

Finding the Fourth Proportional to 1,643,637.62, 2,268,445.02 and 945,903.62

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Solution

The fourth proportional to 1,643,637.62, 2,268,445.02 and 945,903.62 is: 1,305,476.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,637.62 : 2,268,445.02 = 945,903.62 : x
  2. Step 2: Convert to fraction form
    1,643,637.62/2,268,445.02 = 945,903.62/x
  3. Step 3: Cross multiply
    1,643,637.62x = 2,268,445.02 × 945,903.62
  4. Step 4: Simplify right side
    1,643,637.62x = 2,145,730,356,188.97
  5. Step 5: Solve for x
    x = 2,145,730,356,188.97/1,643,637.62
  6. Step 6: Final answer
    x = 1,305,476.54

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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.