Home / 1,520,392.80-2,280,297.60-455,469.60

Finding the Fourth Proportional to 1,520,392.80, 2,280,297.60 and 455,469.60

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Solution

The fourth proportional to 1,520,392.80, 2,280,297.60 and 455,469.60 is: 683,117.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,392.80 : 2,280,297.60 = 455,469.60 : x
  2. Step 2: Convert to fraction form
    1,520,392.80/2,280,297.60 = 455,469.60/x
  3. Step 3: Cross multiply
    1,520,392.80x = 2,280,297.60 × 455,469.60
  4. Step 4: Simplify right side
    1,520,392.80x = 1,038,606,235,752.96
  5. Step 5: Solve for x
    x = 1,038,606,235,752.96/1,520,392.80
  6. Step 6: Final answer
    x = 683,117.04

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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.