Home / 1,959,464.52-2,939,382.26-761,479.20

Finding the Fourth Proportional to 1,959,464.52, 2,939,382.26 and 761,479.20

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Solution

The fourth proportional to 1,959,464.52, 2,939,382.26 and 761,479.20 is: 1,142,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,464.52 : 2,939,382.26 = 761,479.20 : x
  2. Step 2: Convert to fraction form
    1,959,464.52/2,939,382.26 = 761,479.20/x
  3. Step 3: Cross multiply
    1,959,464.52x = 2,939,382.26 × 761,479.20
  4. Step 4: Simplify right side
    1,959,464.52x = 2,238,278,448,031.60
  5. Step 5: Solve for x
    x = 2,238,278,448,031.60/1,959,464.52
  6. Step 6: Final answer
    x = 1,142,290.88

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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.