Home / 1,485,360.46-2,049,876.76-840,924.46

Finding the Fourth Proportional to 1,485,360.46, 2,049,876.76 and 840,924.46

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Solution

The fourth proportional to 1,485,360.46, 2,049,876.76 and 840,924.46 is: 1,160,520.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,360.46 : 2,049,876.76 = 840,924.46 : x
  2. Step 2: Convert to fraction form
    1,485,360.46/2,049,876.76 = 840,924.46/x
  3. Step 3: Cross multiply
    1,485,360.46x = 2,049,876.76 × 840,924.46
  4. Step 4: Simplify right side
    1,485,360.46x = 1,723,791,507,469.55
  5. Step 5: Solve for x
    x = 1,723,791,507,469.55/1,485,360.46
  6. Step 6: Final answer
    x = 1,160,520.66

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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.