Home / 1,392,304.19-2,088,458.12-381,435.03

Finding the Fourth Proportional to 1,392,304.19, 2,088,458.12 and 381,435.03

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Solution

The fourth proportional to 1,392,304.19, 2,088,458.12 and 381,435.03 is: 572,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,304.19 : 2,088,458.12 = 381,435.03 : x
  2. Step 2: Convert to fraction form
    1,392,304.19/2,088,458.12 = 381,435.03/x
  3. Step 3: Cross multiply
    1,392,304.19x = 2,088,458.12 × 381,435.03
  4. Step 4: Simplify right side
    1,392,304.19x = 796,611,083,748.77
  5. Step 5: Solve for x
    x = 796,611,083,748.77/1,392,304.19
  6. Step 6: Final answer
    x = 572,153.05

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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.