Home / 1,270,262.83-1,905,768.55-511,713.96

Finding the Fourth Proportional to 1,270,262.83, 1,905,768.55 and 511,713.96

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Solution

The fourth proportional to 1,270,262.83, 1,905,768.55 and 511,713.96 is: 767,721.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,262.83 : 1,905,768.55 = 511,713.96 : x
  2. Step 2: Convert to fraction form
    1,270,262.83/1,905,768.55 = 511,713.96/x
  3. Step 3: Cross multiply
    1,270,262.83x = 1,905,768.55 × 511,713.96
  4. Step 4: Simplify right side
    1,270,262.83x = 975,208,371,563.96
  5. Step 5: Solve for x
    x = 975,208,371,563.96/1,270,262.83
  6. Step 6: Final answer
    x = 767,721.73

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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.