Home / 1,000,108.50-1,379,877.03-570,231.78

Finding the Fourth Proportional to 1,000,108.50, 1,379,877.03 and 570,231.78

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Solution

The fourth proportional to 1,000,108.50, 1,379,877.03 and 570,231.78 is: 786,764.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,108.50 : 1,379,877.03 = 570,231.78 : x
  2. Step 2: Convert to fraction form
    1,000,108.50/1,379,877.03 = 570,231.78/x
  3. Step 3: Cross multiply
    1,000,108.50x = 1,379,877.03 × 570,231.78
  4. Step 4: Simplify right side
    1,000,108.50x = 786,849,734,998.01
  5. Step 5: Solve for x
    x = 786,849,734,998.01/1,000,108.50
  6. Step 6: Final answer
    x = 786,764.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.