Home / 1,418,718.92-1,957,879.28-774,174.48

Finding the Fourth Proportional to 1,418,718.92, 1,957,879.28 and 774,174.48

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Solution

The fourth proportional to 1,418,718.92, 1,957,879.28 and 774,174.48 is: 1,068,386.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,718.92 : 1,957,879.28 = 774,174.48 : x
  2. Step 2: Convert to fraction form
    1,418,718.92/1,957,879.28 = 774,174.48/x
  3. Step 3: Cross multiply
    1,418,718.92x = 1,957,879.28 × 774,174.48
  4. Step 4: Simplify right side
    1,418,718.92x = 1,515,740,173,496.77
  5. Step 5: Solve for x
    x = 1,515,740,173,496.77/1,418,718.92
  6. Step 6: Final answer
    x = 1,068,386.52

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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.