Home / 1,077,338.34-1,485,622.26-709,911.36

Finding the Fourth Proportional to 1,077,338.34, 1,485,622.26 and 709,911.36

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Solution

The fourth proportional to 1,077,338.34, 1,485,622.26 and 709,911.36 is: 978,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,338.34 : 1,485,622.26 = 709,911.36 : x
  2. Step 2: Convert to fraction form
    1,077,338.34/1,485,622.26 = 709,911.36/x
  3. Step 3: Cross multiply
    1,077,338.34x = 1,485,622.26 × 709,911.36
  4. Step 4: Simplify right side
    1,077,338.34x = 1,054,660,119,042.87
  5. Step 5: Solve for x
    x = 1,054,660,119,042.87/1,077,338.34
  6. Step 6: Final answer
    x = 978,949.77

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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.