Home / 1,463,861.54-2,020,128.60-819,281.70

Finding the Fourth Proportional to 1,463,861.54, 2,020,128.60 and 819,281.70

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Solution

The fourth proportional to 1,463,861.54, 2,020,128.60 and 819,281.70 is: 1,130,608.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,861.54 : 2,020,128.60 = 819,281.70 : x
  2. Step 2: Convert to fraction form
    1,463,861.54/2,020,128.60 = 819,281.70/x
  3. Step 3: Cross multiply
    1,463,861.54x = 2,020,128.60 × 819,281.70
  4. Step 4: Simplify right side
    1,463,861.54x = 1,655,054,393,626.62
  5. Step 5: Solve for x
    x = 1,655,054,393,626.62/1,463,861.54
  6. Step 6: Final answer
    x = 1,130,608.56

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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.