Home / 1,357,806.75-1,873,806.30-745,999.11

Finding the Fourth Proportional to 1,357,806.75, 1,873,806.30 and 745,999.11

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Solution

The fourth proportional to 1,357,806.75, 1,873,806.30 and 745,999.11 is: 1,029,496.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,806.75 : 1,873,806.30 = 745,999.11 : x
  2. Step 2: Convert to fraction form
    1,357,806.75/1,873,806.30 = 745,999.11/x
  3. Step 3: Cross multiply
    1,357,806.75x = 1,873,806.30 × 745,999.11
  4. Step 4: Simplify right side
    1,357,806.75x = 1,397,857,832,112.39
  5. Step 5: Solve for x
    x = 1,397,857,832,112.39/1,357,806.75
  6. Step 6: Final answer
    x = 1,029,496.89

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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.