Home / 1,009,965.25-1,393,781.21-557,285.41

Finding the Fourth Proportional to 1,009,965.25, 1,393,781.21 and 557,285.41

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Solution

The fourth proportional to 1,009,965.25, 1,393,781.21 and 557,285.41 is: 769,069.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,965.25 : 1,393,781.21 = 557,285.41 : x
  2. Step 2: Convert to fraction form
    1,009,965.25/1,393,781.21 = 557,285.41/x
  3. Step 3: Cross multiply
    1,009,965.25x = 1,393,781.21 × 557,285.41
  4. Step 4: Simplify right side
    1,009,965.25x = 776,733,933,065.15
  5. Step 5: Solve for x
    x = 776,733,933,065.15/1,009,965.25
  6. Step 6: Final answer
    x = 769,069.96

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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.