Home / 1,325,838.85-1,828,876.12-938,218.21

Finding the Fourth Proportional to 1,325,838.85, 1,828,876.12 and 938,218.21

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Solution

The fourth proportional to 1,325,838.85, 1,828,876.12 and 938,218.21 is: 1,294,188.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,838.85 : 1,828,876.12 = 938,218.21 : x
  2. Step 2: Convert to fraction form
    1,325,838.85/1,828,876.12 = 938,218.21/x
  3. Step 3: Cross multiply
    1,325,838.85x = 1,828,876.12 × 938,218.21
  4. Step 4: Simplify right side
    1,325,838.85x = 1,715,884,879,618.15
  5. Step 5: Solve for x
    x = 1,715,884,879,618.15/1,325,838.85
  6. Step 6: Final answer
    x = 1,294,188.11

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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.