Home / 1,285,633.84-1,927,269.84-687,008.24

Finding the Fourth Proportional to 1,285,633.84, 1,927,269.84 and 687,008.24

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Solution

The fourth proportional to 1,285,633.84, 1,927,269.84 and 687,008.24 is: 1,029,881.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,633.84 : 1,927,269.84 = 687,008.24 : x
  2. Step 2: Convert to fraction form
    1,285,633.84/1,927,269.84 = 687,008.24/x
  3. Step 3: Cross multiply
    1,285,633.84x = 1,927,269.84 × 687,008.24
  4. Step 4: Simplify right side
    1,285,633.84x = 1,324,050,260,783.48
  5. Step 5: Solve for x
    x = 1,324,050,260,783.48/1,285,633.84
  6. Step 6: Final answer
    x = 1,029,881.31

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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.