Home / 1,320,285.63-1,822,023.14-804,063.72

Finding the Fourth Proportional to 1,320,285.63, 1,822,023.14 and 804,063.72

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Solution

The fourth proportional to 1,320,285.63, 1,822,023.14 and 804,063.72 is: 1,109,625.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,285.63 : 1,822,023.14 = 804,063.72 : x
  2. Step 2: Convert to fraction form
    1,320,285.63/1,822,023.14 = 804,063.72/x
  3. Step 3: Cross multiply
    1,320,285.63x = 1,822,023.14 × 804,063.72
  4. Step 4: Simplify right side
    1,320,285.63x = 1,465,022,699,854.16
  5. Step 5: Solve for x
    x = 1,465,022,699,854.16/1,320,285.63
  6. Step 6: Final answer
    x = 1,109,625.57

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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.