Home / 1,348,548.06-1,861,062.75-767,782.71

Finding the Fourth Proportional to 1,348,548.06, 1,861,062.75 and 767,782.71

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Solution

The fourth proportional to 1,348,548.06, 1,861,062.75 and 767,782.71 is: 1,059,577.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,548.06 : 1,861,062.75 = 767,782.71 : x
  2. Step 2: Convert to fraction form
    1,348,548.06/1,861,062.75 = 767,782.71/x
  3. Step 3: Cross multiply
    1,348,548.06x = 1,861,062.75 × 767,782.71
  4. Step 4: Simplify right side
    1,348,548.06x = 1,428,891,801,675.05
  5. Step 5: Solve for x
    x = 1,428,891,801,675.05/1,348,548.06
  6. Step 6: Final answer
    x = 1,059,577.96

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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.