Home / 1,238,369.41-1,707,367.70-802,015.73

Finding the Fourth Proportional to 1,238,369.41, 1,707,367.70 and 802,015.73

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Solution

The fourth proportional to 1,238,369.41, 1,707,367.70 and 802,015.73 is: 1,105,757.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,369.41 : 1,707,367.70 = 802,015.73 : x
  2. Step 2: Convert to fraction form
    1,238,369.41/1,707,367.70 = 802,015.73/x
  3. Step 3: Cross multiply
    1,238,369.41x = 1,707,367.70 × 802,015.73
  4. Step 4: Simplify right side
    1,238,369.41x = 1,369,335,739,747.00
  5. Step 5: Solve for x
    x = 1,369,335,739,747.00/1,238,369.41
  6. Step 6: Final answer
    x = 1,105,757.08

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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.