Home / 1,418,554.80-2,128,026.60-471,826.80

Finding the Fourth Proportional to 1,418,554.80, 2,128,026.60 and 471,826.80

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Solution

The fourth proportional to 1,418,554.80, 2,128,026.60 and 471,826.80 is: 707,804.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,554.80 : 2,128,026.60 = 471,826.80 : x
  2. Step 2: Convert to fraction form
    1,418,554.80/2,128,026.60 = 471,826.80/x
  3. Step 3: Cross multiply
    1,418,554.80x = 2,128,026.60 × 471,826.80
  4. Step 4: Simplify right side
    1,418,554.80x = 1,004,059,980,992.88
  5. Step 5: Solve for x
    x = 1,004,059,980,992.88/1,418,554.80
  6. Step 6: Final answer
    x = 707,804.86

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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.