Home / 1,333,723.71-1,840,538.59-721,876.37

Finding the Fourth Proportional to 1,333,723.71, 1,840,538.59 and 721,876.37

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Solution

The fourth proportional to 1,333,723.71, 1,840,538.59 and 721,876.37 is: 996,189.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,723.71 : 1,840,538.59 = 721,876.37 : x
  2. Step 2: Convert to fraction form
    1,333,723.71/1,840,538.59 = 721,876.37/x
  3. Step 3: Cross multiply
    1,333,723.71x = 1,840,538.59 × 721,876.37
  4. Step 4: Simplify right side
    1,333,723.71x = 1,328,641,316,194.12
  5. Step 5: Solve for x
    x = 1,328,641,316,194.12/1,333,723.71
  6. Step 6: Final answer
    x = 996,189.32

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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.