Home / 1,436,731.63-2,154,100.89-763,285.88

Finding the Fourth Proportional to 1,436,731.63, 2,154,100.89 and 763,285.88

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Solution

The fourth proportional to 1,436,731.63, 2,154,100.89 and 763,285.88 is: 1,144,399.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,731.63 : 2,154,100.89 = 763,285.88 : x
  2. Step 2: Convert to fraction form
    1,436,731.63/2,154,100.89 = 763,285.88/x
  3. Step 3: Cross multiply
    1,436,731.63x = 2,154,100.89 × 763,285.88
  4. Step 4: Simplify right side
    1,436,731.63x = 1,644,194,793,432.43
  5. Step 5: Solve for x
    x = 1,644,194,793,432.43/1,436,731.63
  6. Step 6: Final answer
    x = 1,144,399.38

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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.