Home / 1,079,074.40-1,618,611.60-369,125.60

Finding the Fourth Proportional to 1,079,074.40, 1,618,611.60 and 369,125.60

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Solution

The fourth proportional to 1,079,074.40, 1,618,611.60 and 369,125.60 is: 553,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,074.40 : 1,618,611.60 = 369,125.60 : x
  2. Step 2: Convert to fraction form
    1,079,074.40/1,618,611.60 = 369,125.60/x
  3. Step 3: Cross multiply
    1,079,074.40x = 1,618,611.60 × 369,125.60
  4. Step 4: Simplify right side
    1,079,074.40x = 597,470,978,016.96
  5. Step 5: Solve for x
    x = 597,470,978,016.96/1,079,074.40
  6. Step 6: Final answer
    x = 553,688.40

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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.