Home / 1,108,735.70-1,529,963.62-625,419.63

Finding the Fourth Proportional to 1,108,735.70, 1,529,963.62 and 625,419.63

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Solution

The fourth proportional to 1,108,735.70, 1,529,963.62 and 625,419.63 is: 863,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,735.70 : 1,529,963.62 = 625,419.63 : x
  2. Step 2: Convert to fraction form
    1,108,735.70/1,529,963.62 = 625,419.63/x
  3. Step 3: Cross multiply
    1,108,735.70x = 1,529,963.62 × 625,419.63
  4. Step 4: Simplify right side
    1,108,735.70x = 956,869,288,825.66
  5. Step 5: Solve for x
    x = 956,869,288,825.66/1,108,735.70
  6. Step 6: Final answer
    x = 863,027.40

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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.