Home / 1,088,119.15-1,500,021.81-760,414.75

Finding the Fourth Proportional to 1,088,119.15, 1,500,021.81 and 760,414.75

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Solution

The fourth proportional to 1,088,119.15, 1,500,021.81 and 760,414.75 is: 1,048,266.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,119.15 : 1,500,021.81 = 760,414.75 : x
  2. Step 2: Convert to fraction form
    1,088,119.15/1,500,021.81 = 760,414.75/x
  3. Step 3: Cross multiply
    1,088,119.15x = 1,500,021.81 × 760,414.75
  4. Step 4: Simplify right side
    1,088,119.15x = 1,140,638,709,645.70
  5. Step 5: Solve for x
    x = 1,140,638,709,645.70/1,088,119.15
  6. Step 6: Final answer
    x = 1,048,266.37

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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.