Home / 1,344,312.72-1,855,282.32-1,004,190.48

Finding the Fourth Proportional to 1,344,312.72, 1,855,282.32 and 1,004,190.48

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Solution

The fourth proportional to 1,344,312.72, 1,855,282.32 and 1,004,190.48 is: 1,385,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,312.72 : 1,855,282.32 = 1,004,190.48 : x
  2. Step 2: Convert to fraction form
    1,344,312.72/1,855,282.32 = 1,004,190.48/x
  3. Step 3: Cross multiply
    1,344,312.72x = 1,855,282.32 × 1,004,190.48
  4. Step 4: Simplify right side
    1,344,312.72x = 1,863,056,843,456.31
  5. Step 5: Solve for x
    x = 1,863,056,843,456.31/1,344,312.72
  6. Step 6: Final answer
    x = 1,385,880.54

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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.