Home / 1,317,399.27-1,817,804.34-766,236.93

Finding the Fourth Proportional to 1,317,399.27, 1,817,804.34 and 766,236.93

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Solution

The fourth proportional to 1,317,399.27, 1,817,804.34 and 766,236.93 is: 1,057,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,399.27 : 1,817,804.34 = 766,236.93 : x
  2. Step 2: Convert to fraction form
    1,317,399.27/1,817,804.34 = 766,236.93/x
  3. Step 3: Cross multiply
    1,317,399.27x = 1,817,804.34 × 766,236.93
  4. Step 4: Simplify right side
    1,317,399.27x = 1,392,868,816,822.28
  5. Step 5: Solve for x
    x = 1,392,868,816,822.28/1,317,399.27
  6. Step 6: Final answer
    x = 1,057,286.77

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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.