Home / 1,021,982.11-1,410,336.65-556,833.79

Finding the Fourth Proportional to 1,021,982.11, 1,410,336.65 and 556,833.79

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Solution

The fourth proportional to 1,021,982.11, 1,410,336.65 and 556,833.79 is: 768,431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,982.11 : 1,410,336.65 = 556,833.79 : x
  2. Step 2: Convert to fraction form
    1,021,982.11/1,410,336.65 = 556,833.79/x
  3. Step 3: Cross multiply
    1,021,982.11x = 1,410,336.65 × 556,833.79
  4. Step 4: Simplify right side
    1,021,982.11x = 785,323,101,995.40
  5. Step 5: Solve for x
    x = 785,323,101,995.40/1,021,982.11
  6. Step 6: Final answer
    x = 768,431.36

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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.