Home / 1,213,273.05-1,821,385.80-613,925.70

Finding the Fourth Proportional to 1,213,273.05, 1,821,385.80 and 613,925.70

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Solution

The fourth proportional to 1,213,273.05, 1,821,385.80 and 613,925.70 is: 921,635.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,273.05 : 1,821,385.80 = 613,925.70 : x
  2. Step 2: Convert to fraction form
    1,213,273.05/1,821,385.80 = 613,925.70/x
  3. Step 3: Cross multiply
    1,213,273.05x = 1,821,385.80 × 613,925.70
  4. Step 4: Simplify right side
    1,213,273.05x = 1,118,195,552,235.06
  5. Step 5: Solve for x
    x = 1,118,195,552,235.06/1,213,273.05
  6. Step 6: Final answer
    x = 921,635.53

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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.