Home / 1,128,804.23-1,693,464.89-489,215.24

Finding the Fourth Proportional to 1,128,804.23, 1,693,464.89 and 489,215.24

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Solution

The fourth proportional to 1,128,804.23, 1,693,464.89 and 489,215.24 is: 733,934.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,804.23 : 1,693,464.89 = 489,215.24 : x
  2. Step 2: Convert to fraction form
    1,128,804.23/1,693,464.89 = 489,215.24/x
  3. Step 3: Cross multiply
    1,128,804.23x = 1,693,464.89 × 489,215.24
  4. Step 4: Simplify right side
    1,128,804.23x = 828,468,837,555.76
  5. Step 5: Solve for x
    x = 828,468,837,555.76/1,128,804.23
  6. Step 6: Final answer
    x = 733,934.92

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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.