Home / 1,305,889.95-1,802,128.11-732,930.14

Finding the Fourth Proportional to 1,305,889.95, 1,802,128.11 and 732,930.14

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Solution

The fourth proportional to 1,305,889.95, 1,802,128.11 and 732,930.14 is: 1,011,443.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,889.95 : 1,802,128.11 = 732,930.14 : x
  2. Step 2: Convert to fraction form
    1,305,889.95/1,802,128.11 = 732,930.14/x
  3. Step 3: Cross multiply
    1,305,889.95x = 1,802,128.11 × 732,930.14
  4. Step 4: Simplify right side
    1,305,889.95x = 1,320,833,998,949.60
  5. Step 5: Solve for x
    x = 1,320,833,998,949.60/1,305,889.95
  6. Step 6: Final answer
    x = 1,011,443.57

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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.