Home / 1,879,400-2,595,724.80-1,237,688.48

Finding the Fourth Proportional to 1,879,400, 2,595,724.80 and 1,237,688.48

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Solution

The fourth proportional to 1,879,400, 2,595,724.80 and 1,237,688.48 is: 1,709,427.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,400 : 2,595,724.80 = 1,237,688.48 : x
  2. Step 2: Convert to fraction form
    1,879,400/2,595,724.80 = 1,237,688.48/x
  3. Step 3: Cross multiply
    1,879,400x = 2,595,724.80 × 1,237,688.48
  4. Step 4: Simplify right side
    1,879,400x = 3,212,698,682,210.30
  5. Step 5: Solve for x
    x = 3,212,698,682,210.30/1,879,400
  6. Step 6: Final answer
    x = 1,709,427.84

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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.