Home / 1,278,021.20-1,763,675.22-705,061.22

Finding the Fourth Proportional to 1,278,021.20, 1,763,675.22 and 705,061.22

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Solution

The fourth proportional to 1,278,021.20, 1,763,675.22 and 705,061.22 is: 972,987.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,021.20 : 1,763,675.22 = 705,061.22 : x
  2. Step 2: Convert to fraction form
    1,278,021.20/1,763,675.22 = 705,061.22/x
  3. Step 3: Cross multiply
    1,278,021.20x = 1,763,675.22 × 705,061.22
  4. Step 4: Simplify right side
    1,278,021.20x = 1,243,499,002,296.97
  5. Step 5: Solve for x
    x = 1,243,499,002,296.97/1,278,021.20
  6. Step 6: Final answer
    x = 972,987.77

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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.