Home / 1,128,258.45-1,690,796.33-623,046.87

Finding the Fourth Proportional to 1,128,258.45, 1,690,796.33 and 623,046.87

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Solution

The fourth proportional to 1,128,258.45, 1,690,796.33 and 623,046.87 is: 933,691.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,258.45 : 1,690,796.33 = 623,046.87 : x
  2. Step 2: Convert to fraction form
    1,128,258.45/1,690,796.33 = 623,046.87/x
  3. Step 3: Cross multiply
    1,128,258.45x = 1,690,796.33 × 623,046.87
  4. Step 4: Simplify right side
    1,128,258.45x = 1,053,445,360,435.18
  5. Step 5: Solve for x
    x = 1,053,445,360,435.18/1,128,258.45
  6. Step 6: Final answer
    x = 933,691.53

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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.