Home / 1,166,430.25-1,749,645.38-279,966.25

Finding the Fourth Proportional to 1,166,430.25, 1,749,645.38 and 279,966.25

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Solution

The fourth proportional to 1,166,430.25, 1,749,645.38 and 279,966.25 is: 419,949.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,430.25 : 1,749,645.38 = 279,966.25 : x
  2. Step 2: Convert to fraction form
    1,166,430.25/1,749,645.38 = 279,966.25/x
  3. Step 3: Cross multiply
    1,166,430.25x = 1,749,645.38 × 279,966.25
  4. Step 4: Simplify right side
    1,166,430.25x = 489,841,655,868.43
  5. Step 5: Solve for x
    x = 489,841,655,868.43/1,166,430.25
  6. Step 6: Final answer
    x = 419,949.38

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Double scale
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Similar ratio
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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.