Home / 1,337,110.40-1,845,237.44-820,605.44

Finding the Fourth Proportional to 1,337,110.40, 1,845,237.44 and 820,605.44

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Solution

The fourth proportional to 1,337,110.40, 1,845,237.44 and 820,605.44 is: 1,132,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,110.40 : 1,845,237.44 = 820,605.44 : x
  2. Step 2: Convert to fraction form
    1,337,110.40/1,845,237.44 = 820,605.44/x
  3. Step 3: Cross multiply
    1,337,110.40x = 1,845,237.44 × 820,605.44
  4. Step 4: Simplify right side
    1,337,110.40x = 1,514,211,881,355.67
  5. Step 5: Solve for x
    x = 1,514,211,881,355.67/1,337,110.40
  6. Step 6: Final answer
    x = 1,132,450.90

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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.