Home / 1,128,054.96-1,691,688.24-453,961.32

Finding the Fourth Proportional to 1,128,054.96, 1,691,688.24 and 453,961.32

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Solution

The fourth proportional to 1,128,054.96, 1,691,688.24 and 453,961.32 is: 680,783.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,054.96 : 1,691,688.24 = 453,961.32 : x
  2. Step 2: Convert to fraction form
    1,128,054.96/1,691,688.24 = 453,961.32/x
  3. Step 3: Cross multiply
    1,128,054.96x = 1,691,688.24 × 453,961.32
  4. Step 4: Simplify right side
    1,128,054.96x = 767,961,026,458.88
  5. Step 5: Solve for x
    x = 767,961,026,458.88/1,128,054.96
  6. Step 6: Final answer
    x = 680,783.34

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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.