Home / 1,378,704.48-1,902,566.50-766,839.93

Finding the Fourth Proportional to 1,378,704.48, 1,902,566.50 and 766,839.93

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Solution

The fourth proportional to 1,378,704.48, 1,902,566.50 and 766,839.93 is: 1,058,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,704.48 : 1,902,566.50 = 766,839.93 : x
  2. Step 2: Convert to fraction form
    1,378,704.48/1,902,566.50 = 766,839.93/x
  3. Step 3: Cross multiply
    1,378,704.48x = 1,902,566.50 × 766,839.93
  4. Step 4: Simplify right side
    1,378,704.48x = 1,458,963,961,680.35
  5. Step 5: Solve for x
    x = 1,458,963,961,680.35/1,378,704.48
  6. Step 6: Final answer
    x = 1,058,213.69

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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.