Home / 1,309,345.34-1,806,625.62-765,375.93

Finding the Fourth Proportional to 1,309,345.34, 1,806,625.62 and 765,375.93

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Solution

The fourth proportional to 1,309,345.34, 1,806,625.62 and 765,375.93 is: 1,056,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,345.34 : 1,806,625.62 = 765,375.93 : x
  2. Step 2: Convert to fraction form
    1,309,345.34/1,806,625.62 = 765,375.93/x
  3. Step 3: Cross multiply
    1,309,345.34x = 1,806,625.62 × 765,375.93
  4. Step 4: Simplify right side
    1,309,345.34x = 1,382,747,764,069.33
  5. Step 5: Solve for x
    x = 1,382,747,764,069.33/1,309,345.34
  6. Step 6: Final answer
    x = 1,056,060.40

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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.