Home / 1,108,735.79-1,529,963.75-625,419.73

Finding the Fourth Proportional to 1,108,735.79, 1,529,963.75 and 625,419.73

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Solution

The fourth proportional to 1,108,735.79, 1,529,963.75 and 625,419.73 is: 863,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,735.79 : 1,529,963.75 = 625,419.73 : x
  2. Step 2: Convert to fraction form
    1,108,735.79/1,529,963.75 = 625,419.73/x
  3. Step 3: Cross multiply
    1,108,735.79x = 1,529,963.75 × 625,419.73
  4. Step 4: Simplify right side
    1,108,735.79x = 956,869,513,173.43
  5. Step 5: Solve for x
    x = 956,869,513,173.43/1,108,735.79
  6. Step 6: Final answer
    x = 863,027.53

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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.