Home / 1,013,091.45-1,398,055.32-554,215.11

Finding the Fourth Proportional to 1,013,091.45, 1,398,055.32 and 554,215.11

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Solution

The fourth proportional to 1,013,091.45, 1,398,055.32 and 554,215.11 is: 764,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,091.45 : 1,398,055.32 = 554,215.11 : x
  2. Step 2: Convert to fraction form
    1,013,091.45/1,398,055.32 = 554,215.11/x
  3. Step 3: Cross multiply
    1,013,091.45x = 1,398,055.32 × 554,215.11
  4. Step 4: Simplify right side
    1,013,091.45x = 774,823,384,022.51
  5. Step 5: Solve for x
    x = 774,823,384,022.51/1,013,091.45
  6. Step 6: Final answer
    x = 764,810.90

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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.