Home / 1,185,015.60-1,635,320.46-668,878.14

Finding the Fourth Proportional to 1,185,015.60, 1,635,320.46 and 668,878.14

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Solution

The fourth proportional to 1,185,015.60, 1,635,320.46 and 668,878.14 is: 923,051.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,015.60 : 1,635,320.46 = 668,878.14 : x
  2. Step 2: Convert to fraction form
    1,185,015.60/1,635,320.46 = 668,878.14/x
  3. Step 3: Cross multiply
    1,185,015.60x = 1,635,320.46 × 668,878.14
  4. Step 4: Simplify right side
    1,185,015.60x = 1,093,830,107,588.74
  5. Step 5: Solve for x
    x = 1,093,830,107,588.74/1,185,015.60
  6. Step 6: Final answer
    x = 923,051.23

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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.