Home / 1,009,938.38-1,393,744.12-557,258.54

Finding the Fourth Proportional to 1,009,938.38, 1,393,744.12 and 557,258.54

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Solution

The fourth proportional to 1,009,938.38, 1,393,744.12 and 557,258.54 is: 769,032.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,938.38 : 1,393,744.12 = 557,258.54 : x
  2. Step 2: Convert to fraction form
    1,009,938.38/1,393,744.12 = 557,258.54/x
  3. Step 3: Cross multiply
    1,009,938.38x = 1,393,744.12 × 557,258.54
  4. Step 4: Simplify right side
    1,009,938.38x = 776,675,805,082.92
  5. Step 5: Solve for x
    x = 776,675,805,082.92/1,009,938.38
  6. Step 6: Final answer
    x = 769,032.87

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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.