Home / 1,489,809.37-2,055,794.55-836,285.78

Finding the Fourth Proportional to 1,489,809.37, 2,055,794.55 and 836,285.78

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Solution

The fourth proportional to 1,489,809.37, 2,055,794.55 and 836,285.78 is: 1,153,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,809.37 : 2,055,794.55 = 836,285.78 : x
  2. Step 2: Convert to fraction form
    1,489,809.37/2,055,794.55 = 836,285.78/x
  3. Step 3: Cross multiply
    1,489,809.37x = 2,055,794.55 × 836,285.78
  4. Step 4: Simplify right side
    1,489,809.37x = 1,719,231,748,766.50
  5. Step 5: Solve for x
    x = 1,719,231,748,766.50/1,489,809.37
  6. Step 6: Final answer
    x = 1,153,994.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.