Home / 1,636,412.56-2,455,005.20-514,481.56

Finding the Fourth Proportional to 1,636,412.56, 2,455,005.20 and 514,481.56

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Solution

The fourth proportional to 1,636,412.56, 2,455,005.20 and 514,481.56 is: 771,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,412.56 : 2,455,005.20 = 514,481.56 : x
  2. Step 2: Convert to fraction form
    1,636,412.56/2,455,005.20 = 514,481.56/x
  3. Step 3: Cross multiply
    1,636,412.56x = 2,455,005.20 × 514,481.56
  4. Step 4: Simplify right side
    1,636,412.56x = 1,263,054,896,394.19
  5. Step 5: Solve for x
    x = 1,263,054,896,394.19/1,636,412.56
  6. Step 6: Final answer
    x = 771,843.81

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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.