Home / 1,685,705.80-2,326,083.04-997,398.76

Finding the Fourth Proportional to 1,685,705.80, 2,326,083.04 and 997,398.76

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Solution

The fourth proportional to 1,685,705.80, 2,326,083.04 and 997,398.76 is: 1,376,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,705.80 : 2,326,083.04 = 997,398.76 : x
  2. Step 2: Convert to fraction form
    1,685,705.80/2,326,083.04 = 997,398.76/x
  3. Step 3: Cross multiply
    1,685,705.80x = 2,326,083.04 × 997,398.76
  4. Step 4: Simplify right side
    1,685,705.80x = 2,320,032,339,753.03
  5. Step 5: Solve for x
    x = 2,320,032,339,753.03/1,685,705.80
  6. Step 6: Final answer
    x = 1,376,297.30

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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.