Home / 1,377,027.30-1,900,259.74-765,164.22

Finding the Fourth Proportional to 1,377,027.30, 1,900,259.74 and 765,164.22

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Solution

The fourth proportional to 1,377,027.30, 1,900,259.74 and 765,164.22 is: 1,055,905.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,027.30 : 1,900,259.74 = 765,164.22 : x
  2. Step 2: Convert to fraction form
    1,377,027.30/1,900,259.74 = 765,164.22/x
  3. Step 3: Cross multiply
    1,377,027.30x = 1,900,259.74 × 765,164.22
  4. Step 4: Simplify right side
    1,377,027.30x = 1,454,010,761,754.50
  5. Step 5: Solve for x
    x = 1,454,010,761,754.50/1,377,027.30
  6. Step 6: Final answer
    x = 1,055,905.55

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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.