Home / 975,823.60-1,467,234.60-821,858.80

Finding the Fourth Proportional to 975,823.60, 1,467,234.60 and 821,858.80

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Solution

The fourth proportional to 975,823.60, 1,467,234.60 and 821,858.80 is: 1,235,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,823.60 : 1,467,234.60 = 821,858.80 : x
  2. Step 2: Convert to fraction form
    975,823.60/1,467,234.60 = 821,858.80/x
  3. Step 3: Cross multiply
    975,823.60x = 1,467,234.60 × 821,858.80
  4. Step 4: Simplify right side
    975,823.60x = 1,205,859,667,674.48
  5. Step 5: Solve for x
    x = 1,205,859,667,674.48/975,823.60
  6. Step 6: Final answer
    x = 1,235,735.30

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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.