Home / 1,222,647.64-1,833,381.56-512,485

Finding the Fourth Proportional to 1,222,647.64, 1,833,381.56 and 512,485

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Solution

The fourth proportional to 1,222,647.64, 1,833,381.56 and 512,485 is: 768,480.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,647.64 : 1,833,381.56 = 512,485 : x
  2. Step 2: Convert to fraction form
    1,222,647.64/1,833,381.56 = 512,485/x
  3. Step 3: Cross multiply
    1,222,647.64x = 1,833,381.56 × 512,485
  4. Step 4: Simplify right side
    1,222,647.64x = 939,580,548,776.60
  5. Step 5: Solve for x
    x = 939,580,548,776.60/1,222,647.64
  6. Step 6: Final answer
    x = 768,480.24

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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.