Home / 1,047,648.66-1,446,278.31-685,625.49

Finding the Fourth Proportional to 1,047,648.66, 1,446,278.31 and 685,625.49

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Solution

The fourth proportional to 1,047,648.66, 1,446,278.31 and 685,625.49 is: 946,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,648.66 : 1,446,278.31 = 685,625.49 : x
  2. Step 2: Convert to fraction form
    1,047,648.66/1,446,278.31 = 685,625.49/x
  3. Step 3: Cross multiply
    1,047,648.66x = 1,446,278.31 × 685,625.49
  4. Step 4: Simplify right side
    1,047,648.66x = 991,605,272,830.79
  5. Step 5: Solve for x
    x = 991,605,272,830.79/1,047,648.66
  6. Step 6: Final answer
    x = 946,505.55

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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.