Home / 1,570,234.20-2,355,351.30-388,282.20

Finding the Fourth Proportional to 1,570,234.20, 2,355,351.30 and 388,282.20

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Solution

The fourth proportional to 1,570,234.20, 2,355,351.30 and 388,282.20 is: 582,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,234.20 : 2,355,351.30 = 388,282.20 : x
  2. Step 2: Convert to fraction form
    1,570,234.20/2,355,351.30 = 388,282.20/x
  3. Step 3: Cross multiply
    1,570,234.20x = 2,355,351.30 × 388,282.20
  4. Step 4: Simplify right side
    1,570,234.20x = 914,540,984,536.86
  5. Step 5: Solve for x
    x = 914,540,984,536.86/1,570,234.20
  6. Step 6: Final answer
    x = 582,423.30

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Double scale
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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.