Home / 670,704.78-1,006,056.09-172,068.78

Finding the Fourth Proportional to 670,704.78, 1,006,056.09 and 172,068.78

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Solution

The fourth proportional to 670,704.78, 1,006,056.09 and 172,068.78 is: 258,102.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,704.78 : 1,006,056.09 = 172,068.78 : x
  2. Step 2: Convert to fraction form
    670,704.78/1,006,056.09 = 172,068.78/x
  3. Step 3: Cross multiply
    670,704.78x = 1,006,056.09 × 172,068.78
  4. Step 4: Simplify right side
    670,704.78x = 173,110,844,017.87
  5. Step 5: Solve for x
    x = 173,110,844,017.87/670,704.78
  6. Step 6: Final answer
    x = 258,102.89

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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.