Home / 1,377,149.72-1,900,345.44-765,263.60

Finding the Fourth Proportional to 1,377,149.72, 1,900,345.44 and 765,263.60

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Solution

The fourth proportional to 1,377,149.72, 1,900,345.44 and 765,263.60 is: 1,055,996.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,149.72 : 1,900,345.44 = 765,263.60 : x
  2. Step 2: Convert to fraction form
    1,377,149.72/1,900,345.44 = 765,263.60/x
  3. Step 3: Cross multiply
    1,377,149.72x = 1,900,345.44 × 765,263.60
  4. Step 4: Simplify right side
    1,377,149.72x = 1,454,265,192,657.98
  5. Step 5: Solve for x
    x = 1,454,265,192,657.98/1,377,149.72
  6. Step 6: Final answer
    x = 1,055,996.43

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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.