Home / 1,475,578.62-2,036,305.44-831,009.78

Finding the Fourth Proportional to 1,475,578.62, 2,036,305.44 and 831,009.78

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Solution

The fourth proportional to 1,475,578.62, 2,036,305.44 and 831,009.78 is: 1,146,797.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,578.62 : 2,036,305.44 = 831,009.78 : x
  2. Step 2: Convert to fraction form
    1,475,578.62/2,036,305.44 = 831,009.78/x
  3. Step 3: Cross multiply
    1,475,578.62x = 2,036,305.44 × 831,009.78
  4. Step 4: Simplify right side
    1,475,578.62x = 1,692,189,735,707.20
  5. Step 5: Solve for x
    x = 1,692,189,735,707.20/1,475,578.62
  6. Step 6: Final answer
    x = 1,146,797.41

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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.