Home / 1,456,138.20-2,183,551.20-557,281.20

Finding the Fourth Proportional to 1,456,138.20, 2,183,551.20 and 557,281.20

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Solution

The fourth proportional to 1,456,138.20, 2,183,551.20 and 557,281.20 is: 835,670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,138.20 : 2,183,551.20 = 557,281.20 : x
  2. Step 2: Convert to fraction form
    1,456,138.20/2,183,551.20 = 557,281.20/x
  3. Step 3: Cross multiply
    1,456,138.20x = 2,183,551.20 × 557,281.20
  4. Step 4: Simplify right side
    1,456,138.20x = 1,216,852,032,997.44
  5. Step 5: Solve for x
    x = 1,216,852,032,997.44/1,456,138.20
  6. Step 6: Final answer
    x = 835,670.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.