Home / 1,263,423.75-1,743,531.76-712,148.03

Finding the Fourth Proportional to 1,263,423.75, 1,743,531.76 and 712,148.03

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Solution

The fourth proportional to 1,263,423.75, 1,743,531.76 and 712,148.03 is: 982,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,423.75 : 1,743,531.76 = 712,148.03 : x
  2. Step 2: Convert to fraction form
    1,263,423.75/1,743,531.76 = 712,148.03/x
  3. Step 3: Cross multiply
    1,263,423.75x = 1,743,531.76 × 712,148.03
  4. Step 4: Simplify right side
    1,263,423.75x = 1,241,652,699,930.60
  5. Step 5: Solve for x
    x = 1,241,652,699,930.60/1,263,423.75
  6. Step 6: Final answer
    x = 982,768.21

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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.