Home / 1,214,186.79-1,675,579.89-670,323.46

Finding the Fourth Proportional to 1,214,186.79, 1,675,579.89 and 670,323.46

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Solution

The fourth proportional to 1,214,186.79, 1,675,579.89 and 670,323.46 is: 925,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,186.79 : 1,675,579.89 = 670,323.46 : x
  2. Step 2: Convert to fraction form
    1,214,186.79/1,675,579.89 = 670,323.46/x
  3. Step 3: Cross multiply
    1,214,186.79x = 1,675,579.89 × 670,323.46
  4. Step 4: Simplify right side
    1,214,186.79x = 1,123,180,509,371.22
  5. Step 5: Solve for x
    x = 1,123,180,509,371.22/1,214,186.79
  6. Step 6: Final answer
    x = 925,047.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.