Home / 1,320,026.73-1,979,722.98-609,372.02

Finding the Fourth Proportional to 1,320,026.73, 1,979,722.98 and 609,372.02

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Solution

The fourth proportional to 1,320,026.73, 1,979,722.98 and 609,372.02 is: 913,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,026.73 : 1,979,722.98 = 609,372.02 : x
  2. Step 2: Convert to fraction form
    1,320,026.73/1,979,722.98 = 609,372.02/x
  3. Step 3: Cross multiply
    1,320,026.73x = 1,979,722.98 × 609,372.02
  4. Step 4: Simplify right side
    1,320,026.73x = 1,206,387,781,464.40
  5. Step 5: Solve for x
    x = 1,206,387,781,464.40/1,320,026.73
  6. Step 6: Final answer
    x = 913,911.63

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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.