Home / 1,281,647.42-1,922,662.27-471,969.57

Finding the Fourth Proportional to 1,281,647.42, 1,922,662.27 and 471,969.57

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Solution

The fourth proportional to 1,281,647.42, 1,922,662.27 and 471,969.57 is: 708,024.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,647.42 : 1,922,662.27 = 471,969.57 : x
  2. Step 2: Convert to fraction form
    1,281,647.42/1,922,662.27 = 471,969.57/x
  3. Step 3: Cross multiply
    1,281,647.42x = 1,922,662.27 × 471,969.57
  4. Step 4: Simplify right side
    1,281,647.42x = 907,438,083,647.20
  5. Step 5: Solve for x
    x = 907,438,083,647.20/1,281,647.42
  6. Step 6: Final answer
    x = 708,024.74

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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.