Home / 1,406,290.25-1,940,579.80-825,536.96

Finding the Fourth Proportional to 1,406,290.25, 1,940,579.80 and 825,536.96

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Solution

The fourth proportional to 1,406,290.25, 1,940,579.80 and 825,536.96 is: 1,139,181.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,290.25 : 1,940,579.80 = 825,536.96 : x
  2. Step 2: Convert to fraction form
    1,406,290.25/1,940,579.80 = 825,536.96/x
  3. Step 3: Cross multiply
    1,406,290.25x = 1,940,579.80 × 825,536.96
  4. Step 4: Simplify right side
    1,406,290.25x = 1,602,020,344,601.72
  5. Step 5: Solve for x
    x = 1,602,020,344,601.72/1,406,290.25
  6. Step 6: Final answer
    x = 1,139,181.86

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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.