Home / 1,304,485.54-1,799,427.45-820,284.10

Finding the Fourth Proportional to 1,304,485.54, 1,799,427.45 and 820,284.10

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Solution

The fourth proportional to 1,304,485.54, 1,799,427.45 and 820,284.10 is: 1,131,512.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,485.54 : 1,799,427.45 = 820,284.10 : x
  2. Step 2: Convert to fraction form
    1,304,485.54/1,799,427.45 = 820,284.10/x
  3. Step 3: Cross multiply
    1,304,485.54x = 1,799,427.45 × 820,284.10
  4. Step 4: Simplify right side
    1,304,485.54x = 1,476,041,726,338.55
  5. Step 5: Solve for x
    x = 1,476,041,726,338.55/1,304,485.54
  6. Step 6: Final answer
    x = 1,131,512.52

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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.