Home / 1,612,428.78-2,418,993.06-490,468.62

Finding the Fourth Proportional to 1,612,428.78, 2,418,993.06 and 490,468.62

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Solution

The fourth proportional to 1,612,428.78, 2,418,993.06 and 490,468.62 is: 735,809.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,428.78 : 2,418,993.06 = 490,468.62 : x
  2. Step 2: Convert to fraction form
    1,612,428.78/2,418,993.06 = 490,468.62/x
  3. Step 3: Cross multiply
    1,612,428.78x = 2,418,993.06 × 490,468.62
  4. Step 4: Simplify right side
    1,612,428.78x = 1,186,440,187,927.78
  5. Step 5: Solve for x
    x = 1,186,440,187,927.78/1,612,428.78
  6. Step 6: Final answer
    x = 735,809.36

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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.