Home / 1,212,888.90-1,819,005.30-359,958.90

Finding the Fourth Proportional to 1,212,888.90, 1,819,005.30 and 359,958.90

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Solution

The fourth proportional to 1,212,888.90, 1,819,005.30 and 359,958.90 is: 539,840.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,888.90 : 1,819,005.30 = 359,958.90 : x
  2. Step 2: Convert to fraction form
    1,212,888.90/1,819,005.30 = 359,958.90/x
  3. Step 3: Cross multiply
    1,212,888.90x = 1,819,005.30 × 359,958.90
  4. Step 4: Simplify right side
    1,212,888.90x = 654,767,146,882.17
  5. Step 5: Solve for x
    x = 654,767,146,882.17/1,212,888.90
  6. Step 6: Final answer
    x = 539,840.99

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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.