Home / 1,381,334.64-2,072,145.93-528,404.64

Finding the Fourth Proportional to 1,381,334.64, 2,072,145.93 and 528,404.64

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Solution

The fourth proportional to 1,381,334.64, 2,072,145.93 and 528,404.64 is: 792,662.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,334.64 : 2,072,145.93 = 528,404.64 : x
  2. Step 2: Convert to fraction form
    1,381,334.64/2,072,145.93 = 528,404.64/x
  3. Step 3: Cross multiply
    1,381,334.64x = 2,072,145.93 × 528,404.64
  4. Step 4: Simplify right side
    1,381,334.64x = 1,094,931,524,169.12
  5. Step 5: Solve for x
    x = 1,094,931,524,169.12/1,381,334.64
  6. Step 6: Final answer
    x = 792,662.03

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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.