Home / 1,819,062.55-2,728,601.93-471,129.40

Finding the Fourth Proportional to 1,819,062.55, 2,728,601.93 and 471,129.40

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Solution

The fourth proportional to 1,819,062.55, 2,728,601.93 and 471,129.40 is: 706,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,062.55 : 2,728,601.93 = 471,129.40 : x
  2. Step 2: Convert to fraction form
    1,819,062.55/2,728,601.93 = 471,129.40/x
  3. Step 3: Cross multiply
    1,819,062.55x = 2,728,601.93 × 471,129.40
  4. Step 4: Simplify right side
    1,819,062.55x = 1,285,524,590,119.74
  5. Step 5: Solve for x
    x = 1,285,524,590,119.74/1,819,062.55
  6. Step 6: Final answer
    x = 706,696.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.