Home / 1,311,682.80-1,967,524.20-470,319.60

Finding the Fourth Proportional to 1,311,682.80, 1,967,524.20 and 470,319.60

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Solution

The fourth proportional to 1,311,682.80, 1,967,524.20 and 470,319.60 is: 705,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,682.80 : 1,967,524.20 = 470,319.60 : x
  2. Step 2: Convert to fraction form
    1,311,682.80/1,967,524.20 = 470,319.60/x
  3. Step 3: Cross multiply
    1,311,682.80x = 1,967,524.20 × 470,319.60
  4. Step 4: Simplify right side
    1,311,682.80x = 925,365,194,734.32
  5. Step 5: Solve for x
    x = 925,365,194,734.32/1,311,682.80
  6. Step 6: Final answer
    x = 705,479.40

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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.