Home / 1,248,903.71-1,723,528.90-765,375.47

Finding the Fourth Proportional to 1,248,903.71, 1,723,528.90 and 765,375.47

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Solution

The fourth proportional to 1,248,903.71, 1,723,528.90 and 765,375.47 is: 1,056,243.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,903.71 : 1,723,528.90 = 765,375.47 : x
  2. Step 2: Convert to fraction form
    1,248,903.71/1,723,528.90 = 765,375.47/x
  3. Step 3: Cross multiply
    1,248,903.71x = 1,723,528.90 × 765,375.47
  4. Step 4: Simplify right side
    1,248,903.71x = 1,319,146,741,896.08
  5. Step 5: Solve for x
    x = 1,319,146,741,896.08/1,248,903.71
  6. Step 6: Final answer
    x = 1,056,243.76

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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.