Home / 1,385,027.76-2,081,194.85-745,804.11

Finding the Fourth Proportional to 1,385,027.76, 2,081,194.85 and 745,804.11

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Solution

The fourth proportional to 1,385,027.76, 2,081,194.85 and 745,804.11 is: 1,120,673.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,027.76 : 2,081,194.85 = 745,804.11 : x
  2. Step 2: Convert to fraction form
    1,385,027.76/2,081,194.85 = 745,804.11/x
  3. Step 3: Cross multiply
    1,385,027.76x = 2,081,194.85 × 745,804.11
  4. Step 4: Simplify right side
    1,385,027.76x = 1,552,163,672,840.83
  5. Step 5: Solve for x
    x = 1,552,163,672,840.83/1,385,027.76
  6. Step 6: Final answer
    x = 1,120,673.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.