Home / 1,511,304.91-2,085,570.85-822,984.93

Finding the Fourth Proportional to 1,511,304.91, 2,085,570.85 and 822,984.93

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Solution

The fourth proportional to 1,511,304.91, 2,085,570.85 and 822,984.93 is: 1,135,702.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,304.91 : 2,085,570.85 = 822,984.93 : x
  2. Step 2: Convert to fraction form
    1,511,304.91/2,085,570.85 = 822,984.93/x
  3. Step 3: Cross multiply
    1,511,304.91x = 2,085,570.85 × 822,984.93
  4. Step 4: Simplify right side
    1,511,304.91x = 1,716,393,379,997.29
  5. Step 5: Solve for x
    x = 1,716,393,379,997.29/1,511,304.91
  6. Step 6: Final answer
    x = 1,135,702.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.