Home / 1,205,281.10-1,663,308.33-661,467.48

Finding the Fourth Proportional to 1,205,281.10, 1,663,308.33 and 661,467.48

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Solution

The fourth proportional to 1,205,281.10, 1,663,308.33 and 661,467.48 is: 912,836.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,281.10 : 1,663,308.33 = 661,467.48 : x
  2. Step 2: Convert to fraction form
    1,205,281.10/1,663,308.33 = 661,467.48/x
  3. Step 3: Cross multiply
    1,205,281.10x = 1,663,308.33 × 661,467.48
  4. Step 4: Simplify right side
    1,205,281.10x = 1,100,224,372,006.69
  5. Step 5: Solve for x
    x = 1,100,224,372,006.69/1,205,281.10
  6. Step 6: Final answer
    x = 912,836.33

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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.