Home / 879,811.40-1,319,717.10-741,571.40

Finding the Fourth Proportional to 879,811.40, 1,319,717.10 and 741,571.40

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Solution

The fourth proportional to 879,811.40, 1,319,717.10 and 741,571.40 is: 1,112,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,811.40 : 1,319,717.10 = 741,571.40 : x
  2. Step 2: Convert to fraction form
    879,811.40/1,319,717.10 = 741,571.40/x
  3. Step 3: Cross multiply
    879,811.40x = 1,319,717.10 × 741,571.40
  4. Step 4: Simplify right side
    879,811.40x = 978,664,457,450.94
  5. Step 5: Solve for x
    x = 978,664,457,450.94/879,811.40
  6. Step 6: Final answer
    x = 1,112,357.10

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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.