Home / 1,005,622.83-1,387,788.38-613,178.81

Finding the Fourth Proportional to 1,005,622.83, 1,387,788.38 and 613,178.81

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Solution

The fourth proportional to 1,005,622.83, 1,387,788.38 and 613,178.81 is: 846,204.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,622.83 : 1,387,788.38 = 613,178.81 : x
  2. Step 2: Convert to fraction form
    1,005,622.83/1,387,788.38 = 613,178.81/x
  3. Step 3: Cross multiply
    1,005,622.83x = 1,387,788.38 × 613,178.81
  4. Step 4: Simplify right side
    1,005,622.83x = 850,962,421,974.23
  5. Step 5: Solve for x
    x = 850,962,421,974.23/1,005,622.83
  6. Step 6: Final answer
    x = 846,204.36

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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.