Home / 1,293,948.40-1,940,663.40-620,028.40

Finding the Fourth Proportional to 1,293,948.40, 1,940,663.40 and 620,028.40

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Solution

The fourth proportional to 1,293,948.40, 1,940,663.40 and 620,028.40 is: 929,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,948.40 : 1,940,663.40 = 620,028.40 : x
  2. Step 2: Convert to fraction form
    1,293,948.40/1,940,663.40 = 620,028.40/x
  3. Step 3: Cross multiply
    1,293,948.40x = 1,940,663.40 × 620,028.40
  4. Step 4: Simplify right side
    1,293,948.40x = 1,203,266,422,840.56
  5. Step 5: Solve for x
    x = 1,203,266,422,840.56/1,293,948.40
  6. Step 6: Final answer
    x = 929,918.40

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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.