Home / 1,115,468.58-1,539,817.59-753,382.90

Finding the Fourth Proportional to 1,115,468.58, 1,539,817.59 and 753,382.90

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Solution

The fourth proportional to 1,115,468.58, 1,539,817.59 and 753,382.90 is: 1,039,986.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,468.58 : 1,539,817.59 = 753,382.90 : x
  2. Step 2: Convert to fraction form
    1,115,468.58/1,539,817.59 = 753,382.90/x
  3. Step 3: Cross multiply
    1,115,468.58x = 1,539,817.59 × 753,382.90
  4. Step 4: Simplify right side
    1,115,468.58x = 1,160,072,241,844.43
  5. Step 5: Solve for x
    x = 1,160,072,241,844.43/1,115,468.58
  6. Step 6: Final answer
    x = 1,039,986.48

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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.