Home / 1,048,933.36-1,446,134.40-685,732.80

Finding the Fourth Proportional to 1,048,933.36, 1,446,134.40 and 685,732.80

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Solution

The fourth proportional to 1,048,933.36, 1,446,134.40 and 685,732.80 is: 945,400.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,933.36 : 1,446,134.40 = 685,732.80 : x
  2. Step 2: Convert to fraction form
    1,048,933.36/1,446,134.40 = 685,732.80/x
  3. Step 3: Cross multiply
    1,048,933.36x = 1,446,134.40 × 685,732.80
  4. Step 4: Simplify right side
    1,048,933.36x = 991,661,791,288.32
  5. Step 5: Solve for x
    x = 991,661,791,288.32/1,048,933.36
  6. Step 6: Final answer
    x = 945,400.18

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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.