Home / 1,384,468.10-1,910,554.86-803,745.11

Finding the Fourth Proportional to 1,384,468.10, 1,910,554.86 and 803,745.11

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Solution

The fourth proportional to 1,384,468.10, 1,910,554.86 and 803,745.11 is: 1,109,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,468.10 : 1,910,554.86 = 803,745.11 : x
  2. Step 2: Convert to fraction form
    1,384,468.10/1,910,554.86 = 803,745.11/x
  3. Step 3: Cross multiply
    1,384,468.10x = 1,910,554.86 × 803,745.11
  4. Step 4: Simplify right side
    1,384,468.10x = 1,535,599,133,902.17
  5. Step 5: Solve for x
    x = 1,535,599,133,902.17/1,384,468.10
  6. Step 6: Final answer
    x = 1,109,161.80

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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.