Home / 1,269,185.67-1,903,785.08-427,744.71

Finding the Fourth Proportional to 1,269,185.67, 1,903,785.08 and 427,744.71

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Solution

The fourth proportional to 1,269,185.67, 1,903,785.08 and 427,744.71 is: 641,619.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,185.67 : 1,903,785.08 = 427,744.71 : x
  2. Step 2: Convert to fraction form
    1,269,185.67/1,903,785.08 = 427,744.71/x
  3. Step 3: Cross multiply
    1,269,185.67x = 1,903,785.08 × 427,744.71
  4. Step 4: Simplify right side
    1,269,185.67x = 814,333,994,808.20
  5. Step 5: Solve for x
    x = 814,333,994,808.20/1,269,185.67
  6. Step 6: Final answer
    x = 641,619.28

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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.