Home / 1,210,224.82-1,670,096.46-666,349.52

Finding the Fourth Proportional to 1,210,224.82, 1,670,096.46 and 666,349.52

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Solution

The fourth proportional to 1,210,224.82, 1,670,096.46 and 666,349.52 is: 919,554.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,224.82 : 1,670,096.46 = 666,349.52 : x
  2. Step 2: Convert to fraction form
    1,210,224.82/1,670,096.46 = 666,349.52/x
  3. Step 3: Cross multiply
    1,210,224.82x = 1,670,096.46 × 666,349.52
  4. Step 4: Simplify right side
    1,210,224.82x = 1,112,867,974,474.70
  5. Step 5: Solve for x
    x = 1,112,867,974,474.70/1,210,224.82
  6. Step 6: Final answer
    x = 919,554.74

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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.