Home / 968,865.80-1,453,125.90-613,243.40

Finding the Fourth Proportional to 968,865.80, 1,453,125.90 and 613,243.40

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Solution

The fourth proportional to 968,865.80, 1,453,125.90 and 613,243.40 is: 919,755.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,865.80 : 1,453,125.90 = 613,243.40 : x
  2. Step 2: Convert to fraction form
    968,865.80/1,453,125.90 = 613,243.40/x
  3. Step 3: Cross multiply
    968,865.80x = 1,453,125.90 × 613,243.40
  4. Step 4: Simplify right side
    968,865.80x = 891,119,867,544.06
  5. Step 5: Solve for x
    x = 891,119,867,544.06/968,865.80
  6. Step 6: Final answer
    x = 919,755.73

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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.