Home / 1,419,090-2,126,786.75-576,656.88

Finding the Fourth Proportional to 1,419,090, 2,126,786.75 and 576,656.88

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Solution

The fourth proportional to 1,419,090, 2,126,786.75 and 576,656.88 is: 864,234.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,090 : 2,126,786.75 = 576,656.88 : x
  2. Step 2: Convert to fraction form
    1,419,090/2,126,786.75 = 576,656.88/x
  3. Step 3: Cross multiply
    1,419,090x = 2,126,786.75 × 576,656.88
  4. Step 4: Simplify right side
    1,419,090x = 1,226,426,211,680.34
  5. Step 5: Solve for x
    x = 1,226,426,211,680.34/1,419,090
  6. Step 6: Final answer
    x = 864,234.27

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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.