Home / 1,238,370.85-1,707,369.81-802,017.27

Finding the Fourth Proportional to 1,238,370.85, 1,707,369.81 and 802,017.27

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Solution

The fourth proportional to 1,238,370.85, 1,707,369.81 and 802,017.27 is: 1,105,759.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,370.85 : 1,707,369.81 = 802,017.27 : x
  2. Step 2: Convert to fraction form
    1,238,370.85/1,707,369.81 = 802,017.27/x
  3. Step 3: Cross multiply
    1,238,370.85x = 1,707,369.81 × 802,017.27
  4. Step 4: Simplify right side
    1,238,370.85x = 1,369,340,070,889.05
  5. Step 5: Solve for x
    x = 1,369,340,070,889.05/1,238,370.85
  6. Step 6: Final answer
    x = 1,105,759.29

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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.