Home / 1,313,664.30-1,813,684.14-1,007,172.36

Finding the Fourth Proportional to 1,313,664.30, 1,813,684.14 and 1,007,172.36

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Solution

The fourth proportional to 1,313,664.30, 1,813,684.14 and 1,007,172.36 is: 1,390,532.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,664.30 : 1,813,684.14 = 1,007,172.36 : x
  2. Step 2: Convert to fraction form
    1,313,664.30/1,813,684.14 = 1,007,172.36/x
  3. Step 3: Cross multiply
    1,313,664.30x = 1,813,684.14 × 1,007,172.36
  4. Step 4: Simplify right side
    1,313,664.30x = 1,826,692,535,578.37
  5. Step 5: Solve for x
    x = 1,826,692,535,578.37/1,313,664.30
  6. Step 6: Final answer
    x = 1,390,532.22

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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.