Home / 1,433,370.35-1,978,051.40-788,790.54

Finding the Fourth Proportional to 1,433,370.35, 1,978,051.40 and 788,790.54

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Solution

The fourth proportional to 1,433,370.35, 1,978,051.40 and 788,790.54 is: 1,088,531.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,370.35 : 1,978,051.40 = 788,790.54 : x
  2. Step 2: Convert to fraction form
    1,433,370.35/1,978,051.40 = 788,790.54/x
  3. Step 3: Cross multiply
    1,433,370.35x = 1,978,051.40 × 788,790.54
  4. Step 4: Simplify right side
    1,433,370.35x = 1,560,268,231,953.76
  5. Step 5: Solve for x
    x = 1,560,268,231,953.76/1,433,370.35
  6. Step 6: Final answer
    x = 1,088,531.12

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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.