Home / 1,028,980.48-1,543,528.98-319,109.44

Finding the Fourth Proportional to 1,028,980.48, 1,543,528.98 and 319,109.44

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Solution

The fourth proportional to 1,028,980.48, 1,543,528.98 and 319,109.44 is: 478,682.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,980.48 : 1,543,528.98 = 319,109.44 : x
  2. Step 2: Convert to fraction form
    1,028,980.48/1,543,528.98 = 319,109.44/x
  3. Step 3: Cross multiply
    1,028,980.48x = 1,543,528.98 × 319,109.44
  4. Step 4: Simplify right side
    1,028,980.48x = 492,554,668,431.57
  5. Step 5: Solve for x
    x = 492,554,668,431.57/1,028,980.48
  6. Step 6: Final answer
    x = 478,682.23

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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.