Home / 1,258,812.23-1,889,864.73-747,410.96

Finding the Fourth Proportional to 1,258,812.23, 1,889,864.73 and 747,410.96

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Solution

The fourth proportional to 1,258,812.23, 1,889,864.73 and 747,410.96 is: 1,122,093.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,812.23 : 1,889,864.73 = 747,410.96 : x
  2. Step 2: Convert to fraction form
    1,258,812.23/1,889,864.73 = 747,410.96/x
  3. Step 3: Cross multiply
    1,258,812.23x = 1,889,864.73 × 747,410.96
  4. Step 4: Simplify right side
    1,258,812.23x = 1,412,505,602,670.12
  5. Step 5: Solve for x
    x = 1,412,505,602,670.12/1,258,812.23
  6. Step 6: Final answer
    x = 1,122,093.97

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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.