Home / 1,218,168.30-1,681,051.90-674,292.42

Finding the Fourth Proportional to 1,218,168.30, 1,681,051.90 and 674,292.42

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Solution

The fourth proportional to 1,218,168.30, 1,681,051.90 and 674,292.42 is: 930,512.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,168.30 : 1,681,051.90 = 674,292.42 : x
  2. Step 2: Convert to fraction form
    1,218,168.30/1,681,051.90 = 674,292.42/x
  3. Step 3: Cross multiply
    1,218,168.30x = 1,681,051.90 × 674,292.42
  4. Step 4: Simplify right side
    1,218,168.30x = 1,133,520,553,796.60
  5. Step 5: Solve for x
    x = 1,133,520,553,796.60/1,218,168.30
  6. Step 6: Final answer
    x = 930,512.27

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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.