Home / 1,369,247.80-2,054,163.30-422,714.20

Finding the Fourth Proportional to 1,369,247.80, 2,054,163.30 and 422,714.20

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Solution

The fourth proportional to 1,369,247.80, 2,054,163.30 and 422,714.20 is: 634,161.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,247.80 : 2,054,163.30 = 422,714.20 : x
  2. Step 2: Convert to fraction form
    1,369,247.80/2,054,163.30 = 422,714.20/x
  3. Step 3: Cross multiply
    1,369,247.80x = 2,054,163.30 × 422,714.20
  4. Step 4: Simplify right side
    1,369,247.80x = 868,323,996,028.86
  5. Step 5: Solve for x
    x = 868,323,996,028.86/1,369,247.80
  6. Step 6: Final answer
    x = 634,161.32

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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.