Home / 1,677,617.53-2,315,138.55-913,670.48

Finding the Fourth Proportional to 1,677,617.53, 2,315,138.55 and 913,670.48

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Solution

The fourth proportional to 1,677,617.53, 2,315,138.55 and 913,670.48 is: 1,260,879.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,617.53 : 2,315,138.55 = 913,670.48 : x
  2. Step 2: Convert to fraction form
    1,677,617.53/2,315,138.55 = 913,670.48/x
  3. Step 3: Cross multiply
    1,677,617.53x = 2,315,138.55 × 913,670.48
  4. Step 4: Simplify right side
    1,677,617.53x = 2,115,273,750,245.00
  5. Step 5: Solve for x
    x = 2,115,273,750,245.00/1,677,617.53
  6. Step 6: Final answer
    x = 1,260,879.62

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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.