Home / 1,323,121.23-1,825,625.70-779,058.50

Finding the Fourth Proportional to 1,323,121.23, 1,825,625.70 and 779,058.50

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Solution

The fourth proportional to 1,323,121.23, 1,825,625.70 and 779,058.50 is: 1,074,934.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,121.23 : 1,825,625.70 = 779,058.50 : x
  2. Step 2: Convert to fraction form
    1,323,121.23/1,825,625.70 = 779,058.50/x
  3. Step 3: Cross multiply
    1,323,121.23x = 1,825,625.70 × 779,058.50
  4. Step 4: Simplify right side
    1,323,121.23x = 1,422,269,210,275.32
  5. Step 5: Solve for x
    x = 1,422,269,210,275.32/1,323,121.23
  6. Step 6: Final answer
    x = 1,074,934.92

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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.