Home / 1,242,235.28-1,714,274.37-698,373.48

Finding the Fourth Proportional to 1,242,235.28, 1,714,274.37 and 698,373.48

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Solution

The fourth proportional to 1,242,235.28, 1,714,274.37 and 698,373.48 is: 963,749.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,235.28 : 1,714,274.37 = 698,373.48 : x
  2. Step 2: Convert to fraction form
    1,242,235.28/1,714,274.37 = 698,373.48/x
  3. Step 3: Cross multiply
    1,242,235.28x = 1,714,274.37 × 698,373.48
  4. Step 4: Simplify right side
    1,242,235.28x = 1,197,203,761,261.34
  5. Step 5: Solve for x
    x = 1,197,203,761,261.34/1,242,235.28
  6. Step 6: Final answer
    x = 963,749.61

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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.