Home / 1,118,643.62-1,543,684.64-683,789.04

Finding the Fourth Proportional to 1,118,643.62, 1,543,684.64 and 683,789.04

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Solution

The fourth proportional to 1,118,643.62, 1,543,684.64 and 683,789.04 is: 943,602.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,643.62 : 1,543,684.64 = 683,789.04 : x
  2. Step 2: Convert to fraction form
    1,118,643.62/1,543,684.64 = 683,789.04/x
  3. Step 3: Cross multiply
    1,118,643.62x = 1,543,684.64 × 683,789.04
  4. Step 4: Simplify right side
    1,118,643.62x = 1,055,554,634,629.40
  5. Step 5: Solve for x
    x = 1,055,554,634,629.40/1,118,643.62
  6. Step 6: Final answer
    x = 943,602.25

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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.