Home / 1,100,240.70-1,650,025.08-760,865.64

Finding the Fourth Proportional to 1,100,240.70, 1,650,025.08 and 760,865.64

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Solution

The fourth proportional to 1,100,240.70, 1,650,025.08 and 760,865.64 is: 1,141,066.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,240.70 : 1,650,025.08 = 760,865.64 : x
  2. Step 2: Convert to fraction form
    1,100,240.70/1,650,025.08 = 760,865.64/x
  3. Step 3: Cross multiply
    1,100,240.70x = 1,650,025.08 × 760,865.64
  4. Step 4: Simplify right side
    1,100,240.70x = 1,255,447,388,510.25
  5. Step 5: Solve for x
    x = 1,255,447,388,510.25/1,100,240.70
  6. Step 6: Final answer
    x = 1,141,066.12

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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.