Home / 1,409,702.49-1,945,391.33-765,122.51

Finding the Fourth Proportional to 1,409,702.49, 1,945,391.33 and 765,122.51

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Solution

The fourth proportional to 1,409,702.49, 1,945,391.33 and 765,122.51 is: 1,055,870.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,702.49 : 1,945,391.33 = 765,122.51 : x
  2. Step 2: Convert to fraction form
    1,409,702.49/1,945,391.33 = 765,122.51/x
  3. Step 3: Cross multiply
    1,409,702.49x = 1,945,391.33 × 765,122.51
  4. Step 4: Simplify right side
    1,409,702.49x = 1,488,462,683,789.27
  5. Step 5: Solve for x
    x = 1,488,462,683,789.27/1,409,702.49
  6. Step 6: Final answer
    x = 1,055,870.08

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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.