Home / 1,376,812.73-1,900,273.56-879,778.91

Finding the Fourth Proportional to 1,376,812.73, 1,900,273.56 and 879,778.91

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Solution

The fourth proportional to 1,376,812.73, 1,900,273.56 and 879,778.91 is: 1,214,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,812.73 : 1,900,273.56 = 879,778.91 : x
  2. Step 2: Convert to fraction form
    1,376,812.73/1,900,273.56 = 879,778.91/x
  3. Step 3: Cross multiply
    1,376,812.73x = 1,900,273.56 × 879,778.91
  4. Step 4: Simplify right side
    1,376,812.73x = 1,671,820,601,318.62
  5. Step 5: Solve for x
    x = 1,671,820,601,318.62/1,376,812.73
  6. Step 6: Final answer
    x = 1,214,268.70

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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.