Home / 1,010,175.01-1,394,555.77-780,216.06

Finding the Fourth Proportional to 1,010,175.01, 1,394,555.77 and 780,216.06

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Solution

The fourth proportional to 1,010,175.01, 1,394,555.77 and 780,216.06 is: 1,077,095.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,175.01 : 1,394,555.77 = 780,216.06 : x
  2. Step 2: Convert to fraction form
    1,010,175.01/1,394,555.77 = 780,216.06/x
  3. Step 3: Cross multiply
    1,010,175.01x = 1,394,555.77 × 780,216.06
  4. Step 4: Simplify right side
    1,010,175.01x = 1,088,054,814,524.52
  5. Step 5: Solve for x
    x = 1,088,054,814,524.52/1,010,175.01
  6. Step 6: Final answer
    x = 1,077,095.36

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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.