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Finding the Fourth Proportional to 1,408,344.96, 1,943,463.57 and 835,042.08

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Solution

The fourth proportional to 1,408,344.96, 1,943,463.57 and 835,042.08 is: 1,152,326.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,344.96 : 1,943,463.57 = 835,042.08 : x
  2. Step 2: Convert to fraction form
    1,408,344.96/1,943,463.57 = 835,042.08/x
  3. Step 3: Cross multiply
    1,408,344.96x = 1,943,463.57 × 835,042.08
  4. Step 4: Simplify right side
    1,408,344.96x = 1,622,873,861,897.03
  5. Step 5: Solve for x
    x = 1,622,873,861,897.03/1,408,344.96
  6. Step 6: Final answer
    x = 1,152,326.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.