Home / 1,869,038.16-2,802,359.52-789,258.22

Finding the Fourth Proportional to 1,869,038.16, 2,802,359.52 and 789,258.22

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Solution

The fourth proportional to 1,869,038.16, 2,802,359.52 and 789,258.22 is: 1,183,381.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,038.16 : 2,802,359.52 = 789,258.22 : x
  2. Step 2: Convert to fraction form
    1,869,038.16/2,802,359.52 = 789,258.22/x
  3. Step 3: Cross multiply
    1,869,038.16x = 2,802,359.52 × 789,258.22
  4. Step 4: Simplify right side
    1,869,038.16x = 2,211,785,286,555.25
  5. Step 5: Solve for x
    x = 2,211,785,286,555.25/1,869,038.16
  6. Step 6: Final answer
    x = 1,183,381.56

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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.