Home / 1,326,453.18-1,988,932.31-461,491.44

Finding the Fourth Proportional to 1,326,453.18, 1,988,932.31 and 461,491.44

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Solution

The fourth proportional to 1,326,453.18, 1,988,932.31 and 461,491.44 is: 691,977.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,453.18 : 1,988,932.31 = 461,491.44 : x
  2. Step 2: Convert to fraction form
    1,326,453.18/1,988,932.31 = 461,491.44/x
  3. Step 3: Cross multiply
    1,326,453.18x = 1,988,932.31 × 461,491.44
  4. Step 4: Simplify right side
    1,326,453.18x = 917,875,230,364.96
  5. Step 5: Solve for x
    x = 917,875,230,364.96/1,326,453.18
  6. Step 6: Final answer
    x = 691,977.11

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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.