Home / 1,382,049.63-1,907,144.55-761,827.59

Finding the Fourth Proportional to 1,382,049.63, 1,907,144.55 and 761,827.59

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Solution

The fourth proportional to 1,382,049.63, 1,907,144.55 and 761,827.59 is: 1,051,275.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,049.63 : 1,907,144.55 = 761,827.59 : x
  2. Step 2: Convert to fraction form
    1,382,049.63/1,907,144.55 = 761,827.59/x
  3. Step 3: Cross multiply
    1,382,049.63x = 1,907,144.55 × 761,827.59
  4. Step 4: Simplify right side
    1,382,049.63x = 1,452,915,336,308.13
  5. Step 5: Solve for x
    x = 1,452,915,336,308.13/1,382,049.63
  6. Step 6: Final answer
    x = 1,051,275.80

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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.