Home / 1,404,845-1,938,689.55-760,269.89

Finding the Fourth Proportional to 1,404,845, 1,938,689.55 and 760,269.89

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Solution

The fourth proportional to 1,404,845, 1,938,689.55 and 760,269.89 is: 1,049,174.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,845 : 1,938,689.55 = 760,269.89 : x
  2. Step 2: Convert to fraction form
    1,404,845/1,938,689.55 = 760,269.89/x
  3. Step 3: Cross multiply
    1,404,845x = 1,938,689.55 × 760,269.89
  4. Step 4: Simplify right side
    1,404,845x = 1,473,927,277,427.85
  5. Step 5: Solve for x
    x = 1,473,927,277,427.85/1,404,845
  6. Step 6: Final answer
    x = 1,049,174.31

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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.