Home / 1,456,586.64-2,181,996.36-687,030.48

Finding the Fourth Proportional to 1,456,586.64, 2,181,996.36 and 687,030.48

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Solution

The fourth proportional to 1,456,586.64, 2,181,996.36 and 687,030.48 is: 1,029,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,586.64 : 2,181,996.36 = 687,030.48 : x
  2. Step 2: Convert to fraction form
    1,456,586.64/2,181,996.36 = 687,030.48/x
  3. Step 3: Cross multiply
    1,456,586.64x = 2,181,996.36 × 687,030.48
  4. Step 4: Simplify right side
    1,456,586.64x = 1,499,098,006,569.05
  5. Step 5: Solve for x
    x = 1,499,098,006,569.05/1,456,586.64
  6. Step 6: Final answer
    x = 1,029,185.61

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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.