Home / 810,564.70-1,214,097.45-670,596.70

Finding the Fourth Proportional to 810,564.70, 1,214,097.45 and 670,596.70

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Solution

The fourth proportional to 810,564.70, 1,214,097.45 and 670,596.70 is: 1,004,447.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,564.70 : 1,214,097.45 = 670,596.70 : x
  2. Step 2: Convert to fraction form
    810,564.70/1,214,097.45 = 670,596.70/x
  3. Step 3: Cross multiply
    810,564.70x = 1,214,097.45 × 670,596.70
  4. Step 4: Simplify right side
    810,564.70x = 814,169,743,448.42
  5. Step 5: Solve for x
    x = 814,169,743,448.42/810,564.70
  6. Step 6: Final answer
    x = 1,004,447.57

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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.