Home / 1,127,543.28-1,691,563.68-328,887.32

Finding the Fourth Proportional to 1,127,543.28, 1,691,563.68 and 328,887.32

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Solution

The fourth proportional to 1,127,543.28, 1,691,563.68 and 328,887.32 is: 493,403.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,543.28 : 1,691,563.68 = 328,887.32 : x
  2. Step 2: Convert to fraction form
    1,127,543.28/1,691,563.68 = 328,887.32/x
  3. Step 3: Cross multiply
    1,127,543.28x = 1,691,563.68 × 328,887.32
  4. Step 4: Simplify right side
    1,127,543.28x = 556,333,845,324.54
  5. Step 5: Solve for x
    x = 556,333,845,324.54/1,127,543.28
  6. Step 6: Final answer
    x = 493,403.54

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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.