Home / 1,012,991.40-1,519,567.56-339,076.26

Finding the Fourth Proportional to 1,012,991.40, 1,519,567.56 and 339,076.26

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Solution

The fourth proportional to 1,012,991.40, 1,519,567.56 and 339,076.26 is: 508,641.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,991.40 : 1,519,567.56 = 339,076.26 : x
  2. Step 2: Convert to fraction form
    1,012,991.40/1,519,567.56 = 339,076.26/x
  3. Step 3: Cross multiply
    1,012,991.40x = 1,519,567.56 × 339,076.26
  4. Step 4: Simplify right side
    1,012,991.40x = 515,249,285,062.13
  5. Step 5: Solve for x
    x = 515,249,285,062.13/1,012,991.40
  6. Step 6: Final answer
    x = 508,641.32

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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.