Home / 1,166,943.21-1,609,687.64-908,410.95

Finding the Fourth Proportional to 1,166,943.21, 1,609,687.64 and 908,410.95

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Solution

The fourth proportional to 1,166,943.21, 1,609,687.64 and 908,410.95 is: 1,253,066.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,943.21 : 1,609,687.64 = 908,410.95 : x
  2. Step 2: Convert to fraction form
    1,166,943.21/1,609,687.64 = 908,410.95/x
  3. Step 3: Cross multiply
    1,166,943.21x = 1,609,687.64 × 908,410.95
  4. Step 4: Simplify right side
    1,166,943.21x = 1,462,257,875,416.87
  5. Step 5: Solve for x
    x = 1,462,257,875,416.87/1,166,943.21
  6. Step 6: Final answer
    x = 1,253,066.87

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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.