Home / 1,387,624.47-2,081,579.44-523,787.02

Finding the Fourth Proportional to 1,387,624.47, 2,081,579.44 and 523,787.02

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Solution

The fourth proportional to 1,387,624.47, 2,081,579.44 and 523,787.02 is: 785,734.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,624.47 : 2,081,579.44 = 523,787.02 : x
  2. Step 2: Convert to fraction form
    1,387,624.47/2,081,579.44 = 523,787.02/x
  3. Step 3: Cross multiply
    1,387,624.47x = 2,081,579.44 × 523,787.02
  4. Step 4: Simplify right side
    1,387,624.47x = 1,090,304,287,712.70
  5. Step 5: Solve for x
    x = 1,090,304,287,712.70/1,387,624.47
  6. Step 6: Final answer
    x = 785,734.41

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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.