Home / 1,339,673.76-1,848,292.56-830,190.24

Finding the Fourth Proportional to 1,339,673.76, 1,848,292.56 and 830,190.24

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Solution

The fourth proportional to 1,339,673.76, 1,848,292.56 and 830,190.24 is: 1,145,379.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,673.76 : 1,848,292.56 = 830,190.24 : x
  2. Step 2: Convert to fraction form
    1,339,673.76/1,848,292.56 = 830,190.24/x
  3. Step 3: Cross multiply
    1,339,673.76x = 1,848,292.56 × 830,190.24
  4. Step 4: Simplify right side
    1,339,673.76x = 1,534,434,443,976.61
  5. Step 5: Solve for x
    x = 1,534,434,443,976.61/1,339,673.76
  6. Step 6: Final answer
    x = 1,145,379.19

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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.