Home / 1,907,380-2,632,090.32-1,143,285.28

Finding the Fourth Proportional to 1,907,380, 2,632,090.32 and 1,143,285.28

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Solution

The fourth proportional to 1,907,380, 2,632,090.32 and 1,143,285.28 is: 1,577,677.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,380 : 2,632,090.32 = 1,143,285.28 : x
  2. Step 2: Convert to fraction form
    1,907,380/2,632,090.32 = 1,143,285.28/x
  3. Step 3: Cross multiply
    1,907,380x = 2,632,090.32 × 1,143,285.28
  4. Step 4: Simplify right side
    1,907,380x = 3,009,230,118,486.49
  5. Step 5: Solve for x
    x = 3,009,230,118,486.49/1,907,380
  6. Step 6: Final answer
    x = 1,577,677.29

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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.