Home / 1,380,559.81-2,070,146.74-804,369.60

Finding the Fourth Proportional to 1,380,559.81, 2,070,146.74 and 804,369.60

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Solution

The fourth proportional to 1,380,559.81, 2,070,146.74 and 804,369.60 is: 1,206,150.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,559.81 : 2,070,146.74 = 804,369.60 : x
  2. Step 2: Convert to fraction form
    1,380,559.81/2,070,146.74 = 804,369.60/x
  3. Step 3: Cross multiply
    1,380,559.81x = 2,070,146.74 × 804,369.60
  4. Step 4: Simplify right side
    1,380,559.81x = 1,665,163,105,195.10
  5. Step 5: Solve for x
    x = 1,665,163,105,195.10/1,380,559.81
  6. Step 6: Final answer
    x = 1,206,150.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.