Home / 1,126,509.73-1,689,746.14-273,588.38

Finding the Fourth Proportional to 1,126,509.73, 1,689,746.14 and 273,588.38

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Solution

The fourth proportional to 1,126,509.73, 1,689,746.14 and 273,588.38 is: 410,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,509.73 : 1,689,746.14 = 273,588.38 : x
  2. Step 2: Convert to fraction form
    1,126,509.73/1,689,746.14 = 273,588.38/x
  3. Step 3: Cross multiply
    1,126,509.73x = 1,689,746.14 × 273,588.38
  4. Step 4: Simplify right side
    1,126,509.73x = 462,294,916,019.01
  5. Step 5: Solve for x
    x = 462,294,916,019.01/1,126,509.73
  6. Step 6: Final answer
    x = 410,378.10

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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.