Home / 1,377,805.08-1,901,435.91-765,968.04

Finding the Fourth Proportional to 1,377,805.08, 1,901,435.91 and 765,968.04

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Solution

The fourth proportional to 1,377,805.08, 1,901,435.91 and 765,968.04 is: 1,057,071.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,805.08 : 1,901,435.91 = 765,968.04 : x
  2. Step 2: Convert to fraction form
    1,377,805.08/1,901,435.91 = 765,968.04/x
  3. Step 3: Cross multiply
    1,377,805.08x = 1,901,435.91 × 765,968.04
  4. Step 4: Simplify right side
    1,377,805.08x = 1,456,439,137,168.32
  5. Step 5: Solve for x
    x = 1,456,439,137,168.32/1,377,805.08
  6. Step 6: Final answer
    x = 1,057,071.98

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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.