Home / 820,150.80-1,230,226.20-746,667.60

Finding the Fourth Proportional to 820,150.80, 1,230,226.20 and 746,667.60

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Solution

The fourth proportional to 820,150.80, 1,230,226.20 and 746,667.60 is: 1,120,001.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,150.80 : 1,230,226.20 = 746,667.60 : x
  2. Step 2: Convert to fraction form
    820,150.80/1,230,226.20 = 746,667.60/x
  3. Step 3: Cross multiply
    820,150.80x = 1,230,226.20 × 746,667.60
  4. Step 4: Simplify right side
    820,150.80x = 918,570,044,211.12
  5. Step 5: Solve for x
    x = 918,570,044,211.12/820,150.80
  6. Step 6: Final answer
    x = 1,120,001.40

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1.5x scale

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.