Home / 1,268,406.83-1,902,407.72-369,638.34

Finding the Fourth Proportional to 1,268,406.83, 1,902,407.72 and 369,638.34

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Solution

The fourth proportional to 1,268,406.83, 1,902,407.72 and 369,638.34 is: 554,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,406.83 : 1,902,407.72 = 369,638.34 : x
  2. Step 2: Convert to fraction form
    1,268,406.83/1,902,407.72 = 369,638.34/x
  3. Step 3: Cross multiply
    1,268,406.83x = 1,902,407.72 × 369,638.34
  4. Step 4: Simplify right side
    1,268,406.83x = 703,202,831,623.99
  5. Step 5: Solve for x
    x = 703,202,831,623.99/1,268,406.83
  6. Step 6: Final answer
    x = 554,398.49

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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.