Home / 1,023,623.70-1,536,699.15-644,543.70

Finding the Fourth Proportional to 1,023,623.70, 1,536,699.15 and 644,543.70

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Solution

The fourth proportional to 1,023,623.70, 1,536,699.15 and 644,543.70 is: 967,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,623.70 : 1,536,699.15 = 644,543.70 : x
  2. Step 2: Convert to fraction form
    1,023,623.70/1,536,699.15 = 644,543.70/x
  3. Step 3: Cross multiply
    1,023,623.70x = 1,536,699.15 × 644,543.70
  4. Step 4: Simplify right side
    1,023,623.70x = 990,469,755,927.86
  5. Step 5: Solve for x
    x = 990,469,755,927.86/1,023,623.70
  6. Step 6: Final answer
    x = 967,611.20

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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.