Home / 893,430.80-1,340,146.20-851,958.80

Finding the Fourth Proportional to 893,430.80, 1,340,146.20 and 851,958.80

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Solution

The fourth proportional to 893,430.80, 1,340,146.20 and 851,958.80 is: 1,277,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,430.80 : 1,340,146.20 = 851,958.80 : x
  2. Step 2: Convert to fraction form
    893,430.80/1,340,146.20 = 851,958.80/x
  3. Step 3: Cross multiply
    893,430.80x = 1,340,146.20 × 851,958.80
  4. Step 4: Simplify right side
    893,430.80x = 1,141,749,348,376.56
  5. Step 5: Solve for x
    x = 1,141,749,348,376.56/893,430.80
  6. Step 6: Final answer
    x = 1,277,938.20

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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.