Home / 1,180,229.95-1,769,911.17-421,866.75

Finding the Fourth Proportional to 1,180,229.95, 1,769,911.17 and 421,866.75

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Solution

The fourth proportional to 1,180,229.95, 1,769,911.17 and 421,866.75 is: 632,645.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,229.95 : 1,769,911.17 = 421,866.75 : x
  2. Step 2: Convert to fraction form
    1,180,229.95/1,769,911.17 = 421,866.75/x
  3. Step 3: Cross multiply
    1,180,229.95x = 1,769,911.17 × 421,866.75
  4. Step 4: Simplify right side
    1,180,229.95x = 746,666,673,076.60
  5. Step 5: Solve for x
    x = 746,666,673,076.60/1,180,229.95
  6. Step 6: Final answer
    x = 632,645.08

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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.