Home / 1,116,868.23-1,541,813.58-687,516.39

Finding the Fourth Proportional to 1,116,868.23, 1,541,813.58 and 687,516.39

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Solution

The fourth proportional to 1,116,868.23, 1,541,813.58 and 687,516.39 is: 949,102.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,868.23 : 1,541,813.58 = 687,516.39 : x
  2. Step 2: Convert to fraction form
    1,116,868.23/1,541,813.58 = 687,516.39/x
  3. Step 3: Cross multiply
    1,116,868.23x = 1,541,813.58 × 687,516.39
  4. Step 4: Simplify right side
    1,116,868.23x = 1,060,022,106,574.58
  5. Step 5: Solve for x
    x = 1,060,022,106,574.58/1,116,868.23
  6. Step 6: Final answer
    x = 949,102.21

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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.