Home / 1,091,724.30-1,638,169.65-492,777.90

Finding the Fourth Proportional to 1,091,724.30, 1,638,169.65 and 492,777.90

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Solution

The fourth proportional to 1,091,724.30, 1,638,169.65 and 492,777.90 is: 739,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,724.30 : 1,638,169.65 = 492,777.90 : x
  2. Step 2: Convert to fraction form
    1,091,724.30/1,638,169.65 = 492,777.90/x
  3. Step 3: Cross multiply
    1,091,724.30x = 1,638,169.65 × 492,777.90
  4. Step 4: Simplify right side
    1,091,724.30x = 807,253,799,970.74
  5. Step 5: Solve for x
    x = 807,253,799,970.74/1,091,724.30
  6. Step 6: Final answer
    x = 739,430.09

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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.