Home / 1,325,581.80-1,987,206.30-793,314.60

Finding the Fourth Proportional to 1,325,581.80, 1,987,206.30 and 793,314.60

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Solution

The fourth proportional to 1,325,581.80, 1,987,206.30 and 793,314.60 is: 1,189,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,581.80 : 1,987,206.30 = 793,314.60 : x
  2. Step 2: Convert to fraction form
    1,325,581.80/1,987,206.30 = 793,314.60/x
  3. Step 3: Cross multiply
    1,325,581.80x = 1,987,206.30 × 793,314.60
  4. Step 4: Simplify right side
    1,325,581.80x = 1,576,479,771,001.98
  5. Step 5: Solve for x
    x = 1,576,479,771,001.98/1,325,581.80
  6. Step 6: Final answer
    x = 1,189,273.85

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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.