Home / 1,395,163.85-1,925,518.64-775,108.04

Finding the Fourth Proportional to 1,395,163.85, 1,925,518.64 and 775,108.04

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Solution

The fourth proportional to 1,395,163.85, 1,925,518.64 and 775,108.04 is: 1,069,756.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,163.85 : 1,925,518.64 = 775,108.04 : x
  2. Step 2: Convert to fraction form
    1,395,163.85/1,925,518.64 = 775,108.04/x
  3. Step 3: Cross multiply
    1,395,163.85x = 1,925,518.64 × 775,108.04
  4. Step 4: Simplify right side
    1,395,163.85x = 1,492,484,965,530.73
  5. Step 5: Solve for x
    x = 1,492,484,965,530.73/1,395,163.85
  6. Step 6: Final answer
    x = 1,069,756.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.