Home / 1,187,801.12-1,781,429.04-708,164.64

Finding the Fourth Proportional to 1,187,801.12, 1,781,429.04 and 708,164.64

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Solution

The fourth proportional to 1,187,801.12, 1,781,429.04 and 708,164.64 is: 1,062,084.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,801.12 : 1,781,429.04 = 708,164.64 : x
  2. Step 2: Convert to fraction form
    1,187,801.12/1,781,429.04 = 708,164.64/x
  3. Step 3: Cross multiply
    1,187,801.12x = 1,781,429.04 × 708,164.64
  4. Step 4: Simplify right side
    1,187,801.12x = 1,261,545,054,797.15
  5. Step 5: Solve for x
    x = 1,261,545,054,797.15/1,187,801.12
  6. Step 6: Final answer
    x = 1,062,084.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.