Home / 1,381,422.42-2,072,465.39-528,480.10

Finding the Fourth Proportional to 1,381,422.42, 2,072,465.39 and 528,480.10

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Solution

The fourth proportional to 1,381,422.42, 2,072,465.39 and 528,480.10 is: 792,847.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,422.42 : 2,072,465.39 = 528,480.10 : x
  2. Step 2: Convert to fraction form
    1,381,422.42/2,072,465.39 = 528,480.10/x
  3. Step 3: Cross multiply
    1,381,422.42x = 2,072,465.39 × 528,480.10
  4. Step 4: Simplify right side
    1,381,422.42x = 1,095,256,716,553.74
  5. Step 5: Solve for x
    x = 1,095,256,716,553.74/1,381,422.42
  6. Step 6: Final answer
    x = 792,847.07

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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.