Home / 1,405,362.06-1,939,397.40-760,782.08

Finding the Fourth Proportional to 1,405,362.06, 1,939,397.40 and 760,782.08

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Solution

The fourth proportional to 1,405,362.06, 1,939,397.40 and 760,782.08 is: 1,049,878.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,362.06 : 1,939,397.40 = 760,782.08 : x
  2. Step 2: Convert to fraction form
    1,405,362.06/1,939,397.40 = 760,782.08/x
  3. Step 3: Cross multiply
    1,405,362.06x = 1,939,397.40 × 760,782.08
  4. Step 4: Simplify right side
    1,405,362.06x = 1,475,458,792,767.09
  5. Step 5: Solve for x
    x = 1,475,458,792,767.09/1,405,362.06
  6. Step 6: Final answer
    x = 1,049,878.06

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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.