Home / 1,009,995.96-1,393,799.28-557,286.96

Finding the Fourth Proportional to 1,009,995.96, 1,393,799.28 and 557,286.96

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Solution

The fourth proportional to 1,009,995.96, 1,393,799.28 and 557,286.96 is: 769,058.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,995.96 : 1,393,799.28 = 557,286.96 : x
  2. Step 2: Convert to fraction form
    1,009,995.96/1,393,799.28 = 557,286.96/x
  3. Step 3: Cross multiply
    1,009,995.96x = 1,393,799.28 × 557,286.96
  4. Step 4: Simplify right side
    1,009,995.96x = 776,746,163,601.39
  5. Step 5: Solve for x
    x = 776,746,163,601.39/1,009,995.96
  6. Step 6: Final answer
    x = 769,058.68

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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.