Home / 1,248,972.54-1,723,623.89-765,444.26

Finding the Fourth Proportional to 1,248,972.54, 1,723,623.89 and 765,444.26

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Solution

The fourth proportional to 1,248,972.54, 1,723,623.89 and 765,444.26 is: 1,056,338.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,972.54 : 1,723,623.89 = 765,444.26 : x
  2. Step 2: Convert to fraction form
    1,248,972.54/1,723,623.89 = 765,444.26/x
  3. Step 3: Cross multiply
    1,248,972.54x = 1,723,623.89 × 765,444.26
  4. Step 4: Simplify right side
    1,248,972.54x = 1,319,338,004,381.25
  5. Step 5: Solve for x
    x = 1,319,338,004,381.25/1,248,972.54
  6. Step 6: Final answer
    x = 1,056,338.68

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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.