Home / 1,007,999.33-1,391,038.44-555,290.33

Finding the Fourth Proportional to 1,007,999.33, 1,391,038.44 and 555,290.33

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Solution

The fourth proportional to 1,007,999.33, 1,391,038.44 and 555,290.33 is: 766,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,999.33 : 1,391,038.44 = 555,290.33 : x
  2. Step 2: Convert to fraction form
    1,007,999.33/1,391,038.44 = 555,290.33/x
  3. Step 3: Cross multiply
    1,007,999.33x = 1,391,038.44 × 555,290.33
  4. Step 4: Simplify right side
    1,007,999.33x = 772,430,187,435.09
  5. Step 5: Solve for x
    x = 772,430,187,435.09/1,007,999.33
  6. Step 6: Final answer
    x = 766,300.30

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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.