Home / 1,485,099.89-2,049,086.58-840,520.07

Finding the Fourth Proportional to 1,485,099.89, 2,049,086.58 and 840,520.07

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Solution

The fourth proportional to 1,485,099.89, 2,049,086.58 and 840,520.07 is: 1,159,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,099.89 : 2,049,086.58 = 840,520.07 : x
  2. Step 2: Convert to fraction form
    1,485,099.89/2,049,086.58 = 840,520.07/x
  3. Step 3: Cross multiply
    1,485,099.89x = 2,049,086.58 × 840,520.07
  4. Step 4: Simplify right side
    1,485,099.89x = 1,722,298,395,657.66
  5. Step 5: Solve for x
    x = 1,722,298,395,657.66/1,485,099.89
  6. Step 6: Final answer
    x = 1,159,718.89

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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.