Home / 1,376,829.73-1,899,906.15-764,971.30

Finding the Fourth Proportional to 1,376,829.73, 1,899,906.15 and 764,971.30

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Solution

The fourth proportional to 1,376,829.73, 1,899,906.15 and 764,971.30 is: 1,055,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,829.73 : 1,899,906.15 = 764,971.30 : x
  2. Step 2: Convert to fraction form
    1,376,829.73/1,899,906.15 = 764,971.30/x
  3. Step 3: Cross multiply
    1,376,829.73x = 1,899,906.15 × 764,971.30
  4. Step 4: Simplify right side
    1,376,829.73x = 1,453,373,677,443.50
  5. Step 5: Solve for x
    x = 1,453,373,677,443.50/1,376,829.73
  6. Step 6: Final answer
    x = 1,055,594.35

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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.