Home / 1,346,913.57-1,858,784.21-766,121.77

Finding the Fourth Proportional to 1,346,913.57, 1,858,784.21 and 766,121.77

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Solution

The fourth proportional to 1,346,913.57, 1,858,784.21 and 766,121.77 is: 1,057,272.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,913.57 : 1,858,784.21 = 766,121.77 : x
  2. Step 2: Convert to fraction form
    1,346,913.57/1,858,784.21 = 766,121.77/x
  3. Step 3: Cross multiply
    1,346,913.57x = 1,858,784.21 × 766,121.77
  4. Step 4: Simplify right side
    1,346,913.57x = 1,424,055,049,013.25
  5. Step 5: Solve for x
    x = 1,424,055,049,013.25/1,346,913.57
  6. Step 6: Final answer
    x = 1,057,272.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.