Home / 1,229,172.51-1,696,369.46-745,860.09

Finding the Fourth Proportional to 1,229,172.51, 1,696,369.46 and 745,860.09

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Solution

The fourth proportional to 1,229,172.51, 1,696,369.46 and 745,860.09 is: 1,029,354.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,172.51 : 1,696,369.46 = 745,860.09 : x
  2. Step 2: Convert to fraction form
    1,229,172.51/1,696,369.46 = 745,860.09/x
  3. Step 3: Cross multiply
    1,229,172.51x = 1,696,369.46 × 745,860.09
  4. Step 4: Simplify right side
    1,229,172.51x = 1,265,254,274,379.55
  5. Step 5: Solve for x
    x = 1,265,254,274,379.55/1,229,172.51
  6. Step 6: Final answer
    x = 1,029,354.52

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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.