Home / 1,337,584.81-2,005,955.70-438,817.12

Finding the Fourth Proportional to 1,337,584.81, 2,005,955.70 and 438,817.12

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Solution

The fourth proportional to 1,337,584.81, 2,005,955.70 and 438,817.12 is: 658,087.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,584.81 : 2,005,955.70 = 438,817.12 : x
  2. Step 2: Convert to fraction form
    1,337,584.81/2,005,955.70 = 438,817.12/x
  3. Step 3: Cross multiply
    1,337,584.81x = 2,005,955.70 × 438,817.12
  4. Step 4: Simplify right side
    1,337,584.81x = 880,247,703,121.58
  5. Step 5: Solve for x
    x = 880,247,703,121.58/1,337,584.81
  6. Step 6: Final answer
    x = 658,087.39

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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.