Home / 1,339,709.56-1,848,275.58-766,442.68

Finding the Fourth Proportional to 1,339,709.56, 1,848,275.58 and 766,442.68

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Solution

The fourth proportional to 1,339,709.56, 1,848,275.58 and 766,442.68 is: 1,057,391.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,709.56 : 1,848,275.58 = 766,442.68 : x
  2. Step 2: Convert to fraction form
    1,339,709.56/1,848,275.58 = 766,442.68/x
  3. Step 3: Cross multiply
    1,339,709.56x = 1,848,275.58 × 766,442.68
  4. Step 4: Simplify right side
    1,339,709.56x = 1,416,597,288,913.75
  5. Step 5: Solve for x
    x = 1,416,597,288,913.75/1,339,709.56
  6. Step 6: Final answer
    x = 1,057,391.34

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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.