Home / 1,679,333.38-2,515,307.73-1,387,841.43

Finding the Fourth Proportional to 1,679,333.38, 2,515,307.73 and 1,387,841.43

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Solution

The fourth proportional to 1,679,333.38, 2,515,307.73 and 1,387,841.43 is: 2,078,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,333.38 : 2,515,307.73 = 1,387,841.43 : x
  2. Step 2: Convert to fraction form
    1,679,333.38/2,515,307.73 = 1,387,841.43/x
  3. Step 3: Cross multiply
    1,679,333.38x = 2,515,307.73 × 1,387,841.43
  4. Step 4: Simplify right side
    1,679,333.38x = 3,490,848,264,316.72
  5. Step 5: Solve for x
    x = 3,490,848,264,316.72/1,679,333.38
  6. Step 6: Final answer
    x = 2,078,710.71

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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.