Home / 1,345,767.36-1,857,117.30-765,053.85

Finding the Fourth Proportional to 1,345,767.36, 1,857,117.30 and 765,053.85

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Solution

The fourth proportional to 1,345,767.36, 1,857,117.30 and 765,053.85 is: 1,055,750.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,767.36 : 1,857,117.30 = 765,053.85 : x
  2. Step 2: Convert to fraction form
    1,345,767.36/1,857,117.30 = 765,053.85/x
  3. Step 3: Cross multiply
    1,345,767.36x = 1,857,117.30 × 765,053.85
  4. Step 4: Simplify right side
    1,345,767.36x = 1,420,794,740,266.61
  5. Step 5: Solve for x
    x = 1,420,794,740,266.61/1,345,767.36
  6. Step 6: Final answer
    x = 1,055,750.63

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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.