Home / 1,189,335.03-1,783,986.54-290,784.48

Finding the Fourth Proportional to 1,189,335.03, 1,783,986.54 and 290,784.48

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Solution

The fourth proportional to 1,189,335.03, 1,783,986.54 and 290,784.48 is: 436,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,335.03 : 1,783,986.54 = 290,784.48 : x
  2. Step 2: Convert to fraction form
    1,189,335.03/1,783,986.54 = 290,784.48/x
  3. Step 3: Cross multiply
    1,189,335.03x = 1,783,986.54 × 290,784.48
  4. Step 4: Simplify right side
    1,189,335.03x = 518,755,598,360.90
  5. Step 5: Solve for x
    x = 518,755,598,360.90/1,189,335.03
  6. Step 6: Final answer
    x = 436,172.81

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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.