Home / 1,145,152.60-1,717,728.90-303,704.35

Finding the Fourth Proportional to 1,145,152.60, 1,717,728.90 and 303,704.35

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Solution

The fourth proportional to 1,145,152.60, 1,717,728.90 and 303,704.35 is: 455,556.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,152.60 : 1,717,728.90 = 303,704.35 : x
  2. Step 2: Convert to fraction form
    1,145,152.60/1,717,728.90 = 303,704.35/x
  3. Step 3: Cross multiply
    1,145,152.60x = 1,717,728.90 × 303,704.35
  4. Step 4: Simplify right side
    1,145,152.60x = 521,681,739,050.72
  5. Step 5: Solve for x
    x = 521,681,739,050.72/1,145,152.60
  6. Step 6: Final answer
    x = 455,556.53

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Half scale
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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.