Home / 1,868,540.93-2,803,113.28-789,215.75

Finding the Fourth Proportional to 1,868,540.93, 2,803,113.28 and 789,215.75

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Solution

The fourth proportional to 1,868,540.93, 2,803,113.28 and 789,215.75 is: 1,183,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,540.93 : 2,803,113.28 = 789,215.75 : x
  2. Step 2: Convert to fraction form
    1,868,540.93/2,803,113.28 = 789,215.75/x
  3. Step 3: Cross multiply
    1,868,540.93x = 2,803,113.28 × 789,215.75
  4. Step 4: Simplify right side
    1,868,540.93x = 2,212,261,144,567.02
  5. Step 5: Solve for x
    x = 2,212,261,144,567.02/1,868,540.93
  6. Step 6: Final answer
    x = 1,183,951.13

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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.