Home / 1,036,124.84-1,555,072.95-405,481.52

Finding the Fourth Proportional to 1,036,124.84, 1,555,072.95 and 405,481.52

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Solution

The fourth proportional to 1,036,124.84, 1,555,072.95 and 405,481.52 is: 608,568.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,124.84 : 1,555,072.95 = 405,481.52 : x
  2. Step 2: Convert to fraction form
    1,036,124.84/1,555,072.95 = 405,481.52/x
  3. Step 3: Cross multiply
    1,036,124.84x = 1,555,072.95 × 405,481.52
  4. Step 4: Simplify right side
    1,036,124.84x = 630,553,343,476.88
  5. Step 5: Solve for x
    x = 630,553,343,476.88/1,036,124.84
  6. Step 6: Final answer
    x = 608,568.89

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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.