Home / 1,028,615.49-1,543,169.48-429,243.17

Finding the Fourth Proportional to 1,028,615.49, 1,543,169.48 and 429,243.17

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Solution

The fourth proportional to 1,028,615.49, 1,543,169.48 and 429,243.17 is: 643,967.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,615.49 : 1,543,169.48 = 429,243.17 : x
  2. Step 2: Convert to fraction form
    1,028,615.49/1,543,169.48 = 429,243.17/x
  3. Step 3: Cross multiply
    1,028,615.49x = 1,543,169.48 × 429,243.17
  4. Step 4: Simplify right side
    1,028,615.49x = 662,394,949,580.39
  5. Step 5: Solve for x
    x = 662,394,949,580.39/1,028,615.49
  6. Step 6: Final answer
    x = 643,967.50

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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.