Home / 1,261,559.20-1,893,721.20-788,778.40

Finding the Fourth Proportional to 1,261,559.20, 1,893,721.20 and 788,778.40

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Solution

The fourth proportional to 1,261,559.20, 1,893,721.20 and 788,778.40 is: 1,184,031.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,559.20 : 1,893,721.20 = 788,778.40 : x
  2. Step 2: Convert to fraction form
    1,261,559.20/1,893,721.20 = 788,778.40/x
  3. Step 3: Cross multiply
    1,261,559.20x = 1,893,721.20 × 788,778.40
  4. Step 4: Simplify right side
    1,261,559.20x = 1,493,726,378,182.08
  5. Step 5: Solve for x
    x = 1,493,726,378,182.08/1,261,559.20
  6. Step 6: Final answer
    x = 1,184,031.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.