Home / 1,685,702.80-2,326,078.92-997,395.76

Finding the Fourth Proportional to 1,685,702.80, 2,326,078.92 and 997,395.76

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Solution

The fourth proportional to 1,685,702.80, 2,326,078.92 and 997,395.76 is: 1,376,293.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,702.80 : 2,326,078.92 = 997,395.76 : x
  2. Step 2: Convert to fraction form
    1,685,702.80/2,326,078.92 = 997,395.76/x
  3. Step 3: Cross multiply
    1,685,702.80x = 2,326,078.92 × 997,395.76
  4. Step 4: Simplify right side
    1,685,702.80x = 2,320,021,252,233.38
  5. Step 5: Solve for x
    x = 2,320,021,252,233.38/1,685,702.80
  6. Step 6: Final answer
    x = 1,376,293.17

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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.