Home / 1,365,620.04-1,885,443.36-1,222,133.40

Finding the Fourth Proportional to 1,365,620.04, 1,885,443.36 and 1,222,133.40

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Solution

The fourth proportional to 1,365,620.04, 1,885,443.36 and 1,222,133.40 is: 1,687,338.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,620.04 : 1,885,443.36 = 1,222,133.40 : x
  2. Step 2: Convert to fraction form
    1,365,620.04/1,885,443.36 = 1,222,133.40/x
  3. Step 3: Cross multiply
    1,365,620.04x = 1,885,443.36 × 1,222,133.40
  4. Step 4: Simplify right side
    1,365,620.04x = 2,304,263,304,064.22
  5. Step 5: Solve for x
    x = 2,304,263,304,064.22/1,365,620.04
  6. Step 6: Final answer
    x = 1,687,338.53

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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.