Home / 1,171,511.51-1,616,208.80-763,464.69

Finding the Fourth Proportional to 1,171,511.51, 1,616,208.80 and 763,464.69

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Solution

The fourth proportional to 1,171,511.51, 1,616,208.80 and 763,464.69 is: 1,053,270.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,511.51 : 1,616,208.80 = 763,464.69 : x
  2. Step 2: Convert to fraction form
    1,171,511.51/1,616,208.80 = 763,464.69/x
  3. Step 3: Cross multiply
    1,171,511.51x = 1,616,208.80 × 763,464.69
  4. Step 4: Simplify right side
    1,171,511.51x = 1,233,918,346,649.95
  5. Step 5: Solve for x
    x = 1,233,918,346,649.95/1,171,511.51
  6. Step 6: Final answer
    x = 1,053,270.36

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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.