Home / 1,555,739.25-2,334,699.69-644,935.76

Finding the Fourth Proportional to 1,555,739.25, 2,334,699.69 and 644,935.76

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Solution

The fourth proportional to 1,555,739.25, 2,334,699.69 and 644,935.76 is: 967,855.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,739.25 : 2,334,699.69 = 644,935.76 : x
  2. Step 2: Convert to fraction form
    1,555,739.25/2,334,699.69 = 644,935.76/x
  3. Step 3: Cross multiply
    1,555,739.25x = 2,334,699.69 × 644,935.76
  4. Step 4: Simplify right side
    1,555,739.25x = 1,505,731,313,605.03
  5. Step 5: Solve for x
    x = 1,505,731,313,605.03/1,555,739.25
  6. Step 6: Final answer
    x = 967,855.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.