Home / 1,188,980.16-1,783,833.12-379,343.04

Finding the Fourth Proportional to 1,188,980.16, 1,783,833.12 and 379,343.04

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Solution

The fourth proportional to 1,188,980.16, 1,783,833.12 and 379,343.04 is: 569,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,980.16 : 1,783,833.12 = 379,343.04 : x
  2. Step 2: Convert to fraction form
    1,188,980.16/1,783,833.12 = 379,343.04/x
  3. Step 3: Cross multiply
    1,188,980.16x = 1,783,833.12 × 379,343.04
  4. Step 4: Simplify right side
    1,188,980.16x = 676,684,678,593.49
  5. Step 5: Solve for x
    x = 676,684,678,593.49/1,188,980.16
  6. Step 6: Final answer
    x = 569,130.34

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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.