Home / 1,308,980.25-1,962,984.38-455,832.90

Finding the Fourth Proportional to 1,308,980.25, 1,962,984.38 and 455,832.90

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Solution

The fourth proportional to 1,308,980.25, 1,962,984.38 and 455,832.90 is: 683,580.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,980.25 : 1,962,984.38 = 455,832.90 : x
  2. Step 2: Convert to fraction form
    1,308,980.25/1,962,984.38 = 455,832.90/x
  3. Step 3: Cross multiply
    1,308,980.25x = 1,962,984.38 × 455,832.90
  4. Step 4: Simplify right side
    1,308,980.25x = 894,792,860,310.94
  5. Step 5: Solve for x
    x = 894,792,860,310.94/1,308,980.25
  6. Step 6: Final answer
    x = 683,580.11

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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.