Home / 1,041,237.72-1,562,004.72-321,640.56

Finding the Fourth Proportional to 1,041,237.72, 1,562,004.72 and 321,640.56

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Solution

The fourth proportional to 1,041,237.72, 1,562,004.72 and 321,640.56 is: 482,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,237.72 : 1,562,004.72 = 321,640.56 : x
  2. Step 2: Convert to fraction form
    1,041,237.72/1,562,004.72 = 321,640.56/x
  3. Step 3: Cross multiply
    1,041,237.72x = 1,562,004.72 × 321,640.56
  4. Step 4: Simplify right side
    1,041,237.72x = 502,404,072,863.44
  5. Step 5: Solve for x
    x = 502,404,072,863.44/1,041,237.72
  6. Step 6: Final answer
    x = 482,506.60

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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.