Home / 1,381,278.72-2,072,093.04-384,006.72

Finding the Fourth Proportional to 1,381,278.72, 2,072,093.04 and 384,006.72

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Solution

The fourth proportional to 1,381,278.72, 2,072,093.04 and 384,006.72 is: 576,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,278.72 : 2,072,093.04 = 384,006.72 : x
  2. Step 2: Convert to fraction form
    1,381,278.72/2,072,093.04 = 384,006.72/x
  3. Step 3: Cross multiply
    1,381,278.72x = 2,072,093.04 × 384,006.72
  4. Step 4: Simplify right side
    1,381,278.72x = 795,697,651,825.23
  5. Step 5: Solve for x
    x = 795,697,651,825.23/1,381,278.72
  6. Step 6: Final answer
    x = 576,058.72

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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.