Home / 1,429,642.37-2,144,538.44-1,088,620.65

Finding the Fourth Proportional to 1,429,642.37, 2,144,538.44 and 1,088,620.65

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Solution

The fourth proportional to 1,429,642.37, 2,144,538.44 and 1,088,620.65 is: 1,632,988.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,642.37 : 2,144,538.44 = 1,088,620.65 : x
  2. Step 2: Convert to fraction form
    1,429,642.37/2,144,538.44 = 1,088,620.65/x
  3. Step 3: Cross multiply
    1,429,642.37x = 2,144,538.44 × 1,088,620.65
  4. Step 4: Simplify right side
    1,429,642.37x = 2,334,588,825,059.68
  5. Step 5: Solve for x
    x = 2,334,588,825,059.68/1,429,642.37
  6. Step 6: Final answer
    x = 1,632,988.00

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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.