Home / 1,245,021.90-1,867,277.70-346,237.80

Finding the Fourth Proportional to 1,245,021.90, 1,867,277.70 and 346,237.80

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Solution

The fourth proportional to 1,245,021.90, 1,867,277.70 and 346,237.80 is: 519,285.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,021.90 : 1,867,277.70 = 346,237.80 : x
  2. Step 2: Convert to fraction form
    1,245,021.90/1,867,277.70 = 346,237.80/x
  3. Step 3: Cross multiply
    1,245,021.90x = 1,867,277.70 × 346,237.80
  4. Step 4: Simplify right side
    1,245,021.90x = 646,522,122,837.06
  5. Step 5: Solve for x
    x = 646,522,122,837.06/1,245,021.90
  6. Step 6: Final answer
    x = 519,285.74

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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.