Home / 1,314,966.60-1,972,514.70-685,110.60

Finding the Fourth Proportional to 1,314,966.60, 1,972,514.70 and 685,110.60

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Solution

The fourth proportional to 1,314,966.60, 1,972,514.70 and 685,110.60 is: 1,027,699.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,966.60 : 1,972,514.70 = 685,110.60 : x
  2. Step 2: Convert to fraction form
    1,314,966.60/1,972,514.70 = 685,110.60/x
  3. Step 3: Cross multiply
    1,314,966.60x = 1,972,514.70 × 685,110.60
  4. Step 4: Simplify right side
    1,314,966.60x = 1,351,390,729,625.82
  5. Step 5: Solve for x
    x = 1,351,390,729,625.82/1,314,966.60
  6. Step 6: Final answer
    x = 1,027,699.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.