Home / 1,369,992.90-1,891,350.23-826,265.82

Finding the Fourth Proportional to 1,369,992.90, 1,891,350.23 and 826,265.82

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Solution

The fourth proportional to 1,369,992.90, 1,891,350.23 and 826,265.82 is: 1,140,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,992.90 : 1,891,350.23 = 826,265.82 : x
  2. Step 2: Convert to fraction form
    1,369,992.90/1,891,350.23 = 826,265.82/x
  3. Step 3: Cross multiply
    1,369,992.90x = 1,891,350.23 × 826,265.82
  4. Step 4: Simplify right side
    1,369,992.90x = 1,562,758,044,566.81
  5. Step 5: Solve for x
    x = 1,562,758,044,566.81/1,369,992.90
  6. Step 6: Final answer
    x = 1,140,705.21

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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.