Home / 1,002,768.55-1,503,608.48-455,360.40

Finding the Fourth Proportional to 1,002,768.55, 1,503,608.48 and 455,360.40

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Solution

The fourth proportional to 1,002,768.55, 1,503,608.48 and 455,360.40 is: 682,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,768.55 : 1,503,608.48 = 455,360.40 : x
  2. Step 2: Convert to fraction form
    1,002,768.55/1,503,608.48 = 455,360.40/x
  3. Step 3: Cross multiply
    1,002,768.55x = 1,503,608.48 × 455,360.40
  4. Step 4: Simplify right side
    1,002,768.55x = 684,683,752,624.02
  5. Step 5: Solve for x
    x = 684,683,752,624.02/1,002,768.55
  6. Step 6: Final answer
    x = 682,793.41

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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.