Home / 1,684,957.68-2,325,241.44-921,014.28

Finding the Fourth Proportional to 1,684,957.68, 2,325,241.44 and 921,014.28

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Solution

The fourth proportional to 1,684,957.68, 2,325,241.44 and 921,014.28 is: 1,270,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,957.68 : 2,325,241.44 = 921,014.28 : x
  2. Step 2: Convert to fraction form
    1,684,957.68/2,325,241.44 = 921,014.28/x
  3. Step 3: Cross multiply
    1,684,957.68x = 2,325,241.44 × 921,014.28
  4. Step 4: Simplify right side
    1,684,957.68x = 2,141,580,570,687.76
  5. Step 5: Solve for x
    x = 2,141,580,570,687.76/1,684,957.68
  6. Step 6: Final answer
    x = 1,270,999.62

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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.