Home / 1,642,511.82-2,266,442.32-917,267.07

Finding the Fourth Proportional to 1,642,511.82, 2,266,442.32 and 917,267.07

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Solution

The fourth proportional to 1,642,511.82, 2,266,442.32 and 917,267.07 is: 1,265,703.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,511.82 : 2,266,442.32 = 917,267.07 : x
  2. Step 2: Convert to fraction form
    1,642,511.82/2,266,442.32 = 917,267.07/x
  3. Step 3: Cross multiply
    1,642,511.82x = 2,266,442.32 × 917,267.07
  4. Step 4: Simplify right side
    1,642,511.82x = 2,078,932,906,190.40
  5. Step 5: Solve for x
    x = 2,078,932,906,190.40/1,642,511.82
  6. Step 6: Final answer
    x = 1,265,703.47

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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.