Home / 1,376,926.77-1,900,118.26-765,064.31

Finding the Fourth Proportional to 1,376,926.77, 1,900,118.26 and 765,064.31

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Solution

The fourth proportional to 1,376,926.77, 1,900,118.26 and 765,064.31 is: 1,055,766.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,926.77 : 1,900,118.26 = 765,064.31 : x
  2. Step 2: Convert to fraction form
    1,376,926.77/1,900,118.26 = 765,064.31/x
  3. Step 3: Cross multiply
    1,376,926.77x = 1,900,118.26 × 765,064.31
  4. Step 4: Simplify right side
    1,376,926.77x = 1,453,712,665,505.30
  5. Step 5: Solve for x
    x = 1,453,712,665,505.30/1,376,926.77
  6. Step 6: Final answer
    x = 1,055,766.14

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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.