Home / 1,129,731.45-1,559,027.46-620,433.82

Finding the Fourth Proportional to 1,129,731.45, 1,559,027.46 and 620,433.82

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Solution

The fourth proportional to 1,129,731.45, 1,559,027.46 and 620,433.82 is: 856,197.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,731.45 : 1,559,027.46 = 620,433.82 : x
  2. Step 2: Convert to fraction form
    1,129,731.45/1,559,027.46 = 620,433.82/x
  3. Step 3: Cross multiply
    1,129,731.45x = 1,559,027.46 × 620,433.82
  4. Step 4: Simplify right side
    1,129,731.45x = 967,273,362,492.70
  5. Step 5: Solve for x
    x = 967,273,362,492.70/1,129,731.45
  6. Step 6: Final answer
    x = 856,197.61

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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.