Home / 1,015,146.45-1,522,911.93-407,981.94

Finding the Fourth Proportional to 1,015,146.45, 1,522,911.93 and 407,981.94

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Solution

The fourth proportional to 1,015,146.45, 1,522,911.93 and 407,981.94 is: 612,050.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,146.45 : 1,522,911.93 = 407,981.94 : x
  2. Step 2: Convert to fraction form
    1,015,146.45/1,522,911.93 = 407,981.94/x
  3. Step 3: Cross multiply
    1,015,146.45x = 1,522,911.93 × 407,981.94
  4. Step 4: Simplify right side
    1,015,146.45x = 621,320,563,650.54
  5. Step 5: Solve for x
    x = 621,320,563,650.54/1,015,146.45
  6. Step 6: Final answer
    x = 612,050.18

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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.