Home / 1,487,181.36-2,052,143.70-842,463.48

Finding the Fourth Proportional to 1,487,181.36, 2,052,143.70 and 842,463.48

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Solution

The fourth proportional to 1,487,181.36, 2,052,143.70 and 842,463.48 is: 1,162,505.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,181.36 : 2,052,143.70 = 842,463.48 : x
  2. Step 2: Convert to fraction form
    1,487,181.36/2,052,143.70 = 842,463.48/x
  3. Step 3: Cross multiply
    1,487,181.36x = 2,052,143.70 × 842,463.48
  4. Step 4: Simplify right side
    1,487,181.36x = 1,728,856,122,962.08
  5. Step 5: Solve for x
    x = 1,728,856,122,962.08/1,487,181.36
  6. Step 6: Final answer
    x = 1,162,505.24

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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.