Home / 1,339,558.20-1,848,558.06-766,561.68

Finding the Fourth Proportional to 1,339,558.20, 1,848,558.06 and 766,561.68

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Solution

The fourth proportional to 1,339,558.20, 1,848,558.06 and 766,561.68 is: 1,057,836.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,558.20 : 1,848,558.06 = 766,561.68 : x
  2. Step 2: Convert to fraction form
    1,339,558.20/1,848,558.06 = 766,561.68/x
  3. Step 3: Cross multiply
    1,339,558.20x = 1,848,558.06 × 766,561.68
  4. Step 4: Simplify right side
    1,339,558.20x = 1,417,033,772,051.14
  5. Step 5: Solve for x
    x = 1,417,033,772,051.14/1,339,558.20
  6. Step 6: Final answer
    x = 1,057,836.66

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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.