Home / 1,219,660.29-1,683,085.80-703,435.81

Finding the Fourth Proportional to 1,219,660.29, 1,683,085.80 and 703,435.81

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Solution

The fourth proportional to 1,219,660.29, 1,683,085.80 and 703,435.81 is: 970,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,660.29 : 1,683,085.80 = 703,435.81 : x
  2. Step 2: Convert to fraction form
    1,219,660.29/1,683,085.80 = 703,435.81/x
  3. Step 3: Cross multiply
    1,219,660.29x = 1,683,085.80 × 703,435.81
  4. Step 4: Simplify right side
    1,219,660.29x = 1,183,942,823,022.50
  5. Step 5: Solve for x
    x = 1,183,942,823,022.50/1,219,660.29
  6. Step 6: Final answer
    x = 970,715.23

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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.