Home / 1,279,752.82-1,766,048.06-706,780.69

Finding the Fourth Proportional to 1,279,752.82, 1,766,048.06 and 706,780.69

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Solution

The fourth proportional to 1,279,752.82, 1,766,048.06 and 706,780.69 is: 975,351.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,752.82 : 1,766,048.06 = 706,780.69 : x
  2. Step 2: Convert to fraction form
    1,279,752.82/1,766,048.06 = 706,780.69/x
  3. Step 3: Cross multiply
    1,279,752.82x = 1,766,048.06 × 706,780.69
  4. Step 4: Simplify right side
    1,279,752.82x = 1,248,208,663,771.79
  5. Step 5: Solve for x
    x = 1,248,208,663,771.79/1,279,752.82
  6. Step 6: Final answer
    x = 975,351.37

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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.