Home / 1,405,804.56-1,940,153.50-1,013,660.08

Finding the Fourth Proportional to 1,405,804.56, 1,940,153.50 and 1,013,660.08

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Solution

The fourth proportional to 1,405,804.56, 1,940,153.50 and 1,013,660.08 is: 1,398,954.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,804.56 : 1,940,153.50 = 1,013,660.08 : x
  2. Step 2: Convert to fraction form
    1,405,804.56/1,940,153.50 = 1,013,660.08/x
  3. Step 3: Cross multiply
    1,405,804.56x = 1,940,153.50 × 1,013,660.08
  4. Step 4: Simplify right side
    1,405,804.56x = 1,966,656,152,022.28
  5. Step 5: Solve for x
    x = 1,966,656,152,022.28/1,405,804.56
  6. Step 6: Final answer
    x = 1,398,954.17

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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.