Home / 1,418,726.86-1,957,890.35-774,182.42

Finding the Fourth Proportional to 1,418,726.86, 1,957,890.35 and 774,182.42

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Solution

The fourth proportional to 1,418,726.86, 1,957,890.35 and 774,182.42 is: 1,068,397.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,726.86 : 1,957,890.35 = 774,182.42 : x
  2. Step 2: Convert to fraction form
    1,418,726.86/1,957,890.35 = 774,182.42/x
  3. Step 3: Cross multiply
    1,418,726.86x = 1,957,890.35 × 774,182.42
  4. Step 4: Simplify right side
    1,418,726.86x = 1,515,764,296,492.83
  5. Step 5: Solve for x
    x = 1,515,764,296,492.83/1,418,726.86
  6. Step 6: Final answer
    x = 1,068,397.54

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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.