Home / 1,166,012.79-1,608,241.14-772,834.68

Finding the Fourth Proportional to 1,166,012.79, 1,608,241.14 and 772,834.68

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Solution

The fourth proportional to 1,166,012.79, 1,608,241.14 and 772,834.68 is: 1,065,944.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,012.79 : 1,608,241.14 = 772,834.68 : x
  2. Step 2: Convert to fraction form
    1,166,012.79/1,608,241.14 = 772,834.68/x
  3. Step 3: Cross multiply
    1,166,012.79x = 1,608,241.14 × 772,834.68
  4. Step 4: Simplify right side
    1,166,012.79x = 1,242,904,520,097.96
  5. Step 5: Solve for x
    x = 1,242,904,520,097.96/1,166,012.79
  6. Step 6: Final answer
    x = 1,065,944.16

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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.