Home / 1,050,230.60-1,575,345.90-489,321.80

Finding the Fourth Proportional to 1,050,230.60, 1,575,345.90 and 489,321.80

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Solution

The fourth proportional to 1,050,230.60, 1,575,345.90 and 489,321.80 is: 733,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,230.60 : 1,575,345.90 = 489,321.80 : x
  2. Step 2: Convert to fraction form
    1,050,230.60/1,575,345.90 = 489,321.80/x
  3. Step 3: Cross multiply
    1,050,230.60x = 1,575,345.90 × 489,321.80
  4. Step 4: Simplify right side
    1,050,230.60x = 770,851,091,410.62
  5. Step 5: Solve for x
    x = 770,851,091,410.62/1,050,230.60
  6. Step 6: Final answer
    x = 733,982.70

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Double scale
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Similar ratio
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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.