Home / 1,378,977.36-1,902,211.20-827,552.04

Finding the Fourth Proportional to 1,378,977.36, 1,902,211.20 and 827,552.04

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Solution

The fourth proportional to 1,378,977.36, 1,902,211.20 and 827,552.04 is: 1,141,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,977.36 : 1,902,211.20 = 827,552.04 : x
  2. Step 2: Convert to fraction form
    1,378,977.36/1,902,211.20 = 827,552.04/x
  3. Step 3: Cross multiply
    1,378,977.36x = 1,902,211.20 × 827,552.04
  4. Step 4: Simplify right side
    1,378,977.36x = 1,574,178,759,070.85
  5. Step 5: Solve for x
    x = 1,574,178,759,070.85/1,378,977.36
  6. Step 6: Final answer
    x = 1,141,555.19

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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.