Home / 1,021,784.78-1,532,676.18-481,915.10

Finding the Fourth Proportional to 1,021,784.78, 1,532,676.18 and 481,915.10

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Solution

The fourth proportional to 1,021,784.78, 1,532,676.18 and 481,915.10 is: 722,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,784.78 : 1,532,676.18 = 481,915.10 : x
  2. Step 2: Convert to fraction form
    1,021,784.78/1,532,676.18 = 481,915.10/x
  3. Step 3: Cross multiply
    1,021,784.78x = 1,532,676.18 × 481,915.10
  4. Step 4: Simplify right side
    1,021,784.78x = 738,619,794,552.32
  5. Step 5: Solve for x
    x = 738,619,794,552.32/1,021,784.78
  6. Step 6: Final answer
    x = 722,872.18

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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.