Home / 1,447,245.80-1,997,321.78-802,873.52

Finding the Fourth Proportional to 1,447,245.80, 1,997,321.78 and 802,873.52

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Solution

The fourth proportional to 1,447,245.80, 1,997,321.78 and 802,873.52 is: 1,108,033.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,245.80 : 1,997,321.78 = 802,873.52 : x
  2. Step 2: Convert to fraction form
    1,447,245.80/1,997,321.78 = 802,873.52/x
  3. Step 3: Cross multiply
    1,447,245.80x = 1,997,321.78 × 802,873.52
  4. Step 4: Simplify right side
    1,447,245.80x = 1,603,596,768,081.27
  5. Step 5: Solve for x
    x = 1,603,596,768,081.27/1,447,245.80
  6. Step 6: Final answer
    x = 1,108,033.46

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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.