Home / 1,300,315.15-1,793,650.26-858,792.43

Finding the Fourth Proportional to 1,300,315.15, 1,793,650.26 and 858,792.43

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Solution

The fourth proportional to 1,300,315.15, 1,793,650.26 and 858,792.43 is: 1,184,615.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,315.15 : 1,793,650.26 = 858,792.43 : x
  2. Step 2: Convert to fraction form
    1,300,315.15/1,793,650.26 = 858,792.43/x
  3. Step 3: Cross multiply
    1,300,315.15x = 1,793,650.26 × 858,792.43
  4. Step 4: Simplify right side
    1,300,315.15x = 1,540,373,265,355.53
  5. Step 5: Solve for x
    x = 1,540,373,265,355.53/1,300,315.15
  6. Step 6: Final answer
    x = 1,184,615.33

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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.