Home / 1,242,749.64-1,714,978.20-698,885.28

Finding the Fourth Proportional to 1,242,749.64, 1,714,978.20 and 698,885.28

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Solution

The fourth proportional to 1,242,749.64, 1,714,978.20 and 698,885.28 is: 964,452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,749.64 : 1,714,978.20 = 698,885.28 : x
  2. Step 2: Convert to fraction form
    1,242,749.64/1,714,978.20 = 698,885.28/x
  3. Step 3: Cross multiply
    1,242,749.64x = 1,714,978.20 × 698,885.28
  4. Step 4: Simplify right side
    1,242,749.64x = 1,198,573,019,500.90
  5. Step 5: Solve for x
    x = 1,198,573,019,500.90/1,242,749.64
  6. Step 6: Final answer
    x = 964,452.52

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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.