Home / 1,339,645.69-2,009,534.19-540,827.56

Finding the Fourth Proportional to 1,339,645.69, 2,009,534.19 and 540,827.56

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Solution

The fourth proportional to 1,339,645.69, 2,009,534.19 and 540,827.56 is: 811,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,645.69 : 2,009,534.19 = 540,827.56 : x
  2. Step 2: Convert to fraction form
    1,339,645.69/2,009,534.19 = 540,827.56/x
  3. Step 3: Cross multiply
    1,339,645.69x = 2,009,534.19 × 540,827.56
  4. Step 4: Simplify right side
    1,339,645.69x = 1,086,811,472,714.28
  5. Step 5: Solve for x
    x = 1,086,811,472,714.28/1,339,645.69
  6. Step 6: Final answer
    x = 811,267.85

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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.