Home / 1,485,098.89-2,049,085.20-840,519.07

Finding the Fourth Proportional to 1,485,098.89, 2,049,085.20 and 840,519.07

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Solution

The fourth proportional to 1,485,098.89, 2,049,085.20 and 840,519.07 is: 1,159,717.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,098.89 : 2,049,085.20 = 840,519.07 : x
  2. Step 2: Convert to fraction form
    1,485,098.89/2,049,085.20 = 840,519.07/x
  3. Step 3: Cross multiply
    1,485,098.89x = 2,049,085.20 × 840,519.07
  4. Step 4: Simplify right side
    1,485,098.89x = 1,722,295,184,684.00
  5. Step 5: Solve for x
    x = 1,722,295,184,684.00/1,485,098.89
  6. Step 6: Final answer
    x = 1,159,717.51

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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.