Home / 1,323,591.24-1,985,199.40-424,914.64

Finding the Fourth Proportional to 1,323,591.24, 1,985,199.40 and 424,914.64

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Solution

The fourth proportional to 1,323,591.24, 1,985,199.40 and 424,914.64 is: 637,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,591.24 : 1,985,199.40 = 424,914.64 : x
  2. Step 2: Convert to fraction form
    1,323,591.24/1,985,199.40 = 424,914.64/x
  3. Step 3: Cross multiply
    1,323,591.24x = 1,985,199.40 × 424,914.64
  4. Step 4: Simplify right side
    1,323,591.24x = 843,540,288,379.22
  5. Step 5: Solve for x
    x = 843,540,288,379.22/1,323,591.24
  6. Step 6: Final answer
    x = 637,311.78

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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.