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Finding the Fourth Proportional to 1,362,853, 1,880,711.29 and 751,062.31

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Solution

The fourth proportional to 1,362,853, 1,880,711.29 and 751,062.31 is: 1,036,451.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,853 : 1,880,711.29 = 751,062.31 : x
  2. Step 2: Convert to fraction form
    1,362,853/1,880,711.29 = 751,062.31/x
  3. Step 3: Cross multiply
    1,362,853x = 1,880,711.29 × 751,062.31
  4. Step 4: Simplify right side
    1,362,853x = 1,412,531,352,751.61
  5. Step 5: Solve for x
    x = 1,412,531,352,751.61/1,362,853
  6. Step 6: Final answer
    x = 1,036,451.73

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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.