Home / 1,325,290.16-1,828,852.42-809,906.30

Finding the Fourth Proportional to 1,325,290.16, 1,828,852.42 and 809,906.30

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Solution

The fourth proportional to 1,325,290.16, 1,828,852.42 and 809,906.30 is: 1,117,641.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,290.16 : 1,828,852.42 = 809,906.30 : x
  2. Step 2: Convert to fraction form
    1,325,290.16/1,828,852.42 = 809,906.30/x
  3. Step 3: Cross multiply
    1,325,290.16x = 1,828,852.42 × 809,906.30
  4. Step 4: Simplify right side
    1,325,290.16x = 1,481,199,083,534.45
  5. Step 5: Solve for x
    x = 1,481,199,083,534.45/1,325,290.16
  6. Step 6: Final answer
    x = 1,117,641.35

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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.