Home / 1,052,790.48-1,579,807.80-388,409.04

Finding the Fourth Proportional to 1,052,790.48, 1,579,807.80 and 388,409.04

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Solution

The fourth proportional to 1,052,790.48, 1,579,807.80 and 388,409.04 is: 582,843.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,790.48 : 1,579,807.80 = 388,409.04 : x
  2. Step 2: Convert to fraction form
    1,052,790.48/1,579,807.80 = 388,409.04/x
  3. Step 3: Cross multiply
    1,052,790.48x = 1,579,807.80 × 388,409.04
  4. Step 4: Simplify right side
    1,052,790.48x = 613,611,630,982.51
  5. Step 5: Solve for x
    x = 613,611,630,982.51/1,052,790.48
  6. Step 6: Final answer
    x = 582,843.07

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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.