Home / 1,224,086.94-1,689,440.40-1,019,813.94

Finding the Fourth Proportional to 1,224,086.94, 1,689,440.40 and 1,019,813.94

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Solution

The fourth proportional to 1,224,086.94, 1,689,440.40 and 1,019,813.94 is: 1,407,510.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,086.94 : 1,689,440.40 = 1,019,813.94 : x
  2. Step 2: Convert to fraction form
    1,224,086.94/1,689,440.40 = 1,019,813.94/x
  3. Step 3: Cross multiply
    1,224,086.94x = 1,689,440.40 × 1,019,813.94
  4. Step 4: Simplify right side
    1,224,086.94x = 1,722,914,870,719.18
  5. Step 5: Solve for x
    x = 1,722,914,870,719.18/1,224,086.94
  6. Step 6: Final answer
    x = 1,407,510.21

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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.