Home / 1,109,228.00-1,664,025.80-389,382.98

Finding the Fourth Proportional to 1,109,228.00, 1,664,025.80 and 389,382.98

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Solution

The fourth proportional to 1,109,228.00, 1,664,025.80 and 389,382.98 is: 584,138.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,228.00 : 1,664,025.80 = 389,382.98 : x
  2. Step 2: Convert to fraction form
    1,109,228.00/1,664,025.80 = 389,382.98/x
  3. Step 3: Cross multiply
    1,109,228.00x = 1,664,025.80 × 389,382.98
  4. Step 4: Simplify right side
    1,109,228.00x = 647,943,314,533.84
  5. Step 5: Solve for x
    x = 647,943,314,533.84/1,109,228.00
  6. Step 6: Final answer
    x = 584,138.98

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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.