Home / 1,242,739.94-1,714,964.72-698,875.56

Finding the Fourth Proportional to 1,242,739.94, 1,714,964.72 and 698,875.56

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Solution

The fourth proportional to 1,242,739.94, 1,714,964.72 and 698,875.56 is: 964,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,739.94 : 1,714,964.72 = 698,875.56 : x
  2. Step 2: Convert to fraction form
    1,242,739.94/1,714,964.72 = 698,875.56/x
  3. Step 3: Cross multiply
    1,242,739.94x = 1,714,964.72 × 698,875.56
  4. Step 4: Simplify right side
    1,242,739.94x = 1,198,546,925,575.87
  5. Step 5: Solve for x
    x = 1,198,546,925,575.87/1,242,739.94
  6. Step 6: Final answer
    x = 964,439.05

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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.