Home / 1,079,345.60-1,618,995.78-359,739.39

Finding the Fourth Proportional to 1,079,345.60, 1,618,995.78 and 359,739.39

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Solution

The fourth proportional to 1,079,345.60, 1,618,995.78 and 359,739.39 is: 539,601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,345.60 : 1,618,995.78 = 359,739.39 : x
  2. Step 2: Convert to fraction form
    1,079,345.60/1,618,995.78 = 359,739.39/x
  3. Step 3: Cross multiply
    1,079,345.60x = 1,618,995.78 × 359,739.39
  4. Step 4: Simplify right side
    1,079,345.60x = 582,416,554,309.77
  5. Step 5: Solve for x
    x = 582,416,554,309.77/1,079,345.60
  6. Step 6: Final answer
    x = 539,601.55

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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.