Home / 1,254,667.20-1,882,000.80-455,974.80

Finding the Fourth Proportional to 1,254,667.20, 1,882,000.80 and 455,974.80

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Solution

The fourth proportional to 1,254,667.20, 1,882,000.80 and 455,974.80 is: 683,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,667.20 : 1,882,000.80 = 455,974.80 : x
  2. Step 2: Convert to fraction form
    1,254,667.20/1,882,000.80 = 455,974.80/x
  3. Step 3: Cross multiply
    1,254,667.20x = 1,882,000.80 × 455,974.80
  4. Step 4: Simplify right side
    1,254,667.20x = 858,144,938,379.84
  5. Step 5: Solve for x
    x = 858,144,938,379.84/1,254,667.20
  6. Step 6: Final answer
    x = 683,962.20

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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.