Home / 1,190,039.40-1,641,843.95-760,570.92

Finding the Fourth Proportional to 1,190,039.40, 1,641,843.95 and 760,570.92

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Solution

The fourth proportional to 1,190,039.40, 1,641,843.95 and 760,570.92 is: 1,049,325.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,039.40 : 1,641,843.95 = 760,570.92 : x
  2. Step 2: Convert to fraction form
    1,190,039.40/1,641,843.95 = 760,570.92/x
  3. Step 3: Cross multiply
    1,190,039.40x = 1,641,843.95 × 760,570.92
  4. Step 4: Simplify right side
    1,190,039.40x = 1,248,738,759,745.08
  5. Step 5: Solve for x
    x = 1,248,738,759,745.08/1,190,039.40
  6. Step 6: Final answer
    x = 1,049,325.56

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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.