Home / 1,091,737.30-1,638,189.15-492,790.90

Finding the Fourth Proportional to 1,091,737.30, 1,638,189.15 and 492,790.90

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Solution

The fourth proportional to 1,091,737.30, 1,638,189.15 and 492,790.90 is: 739,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,737.30 : 1,638,189.15 = 492,790.90 : x
  2. Step 2: Convert to fraction form
    1,091,737.30/1,638,189.15 = 492,790.90/x
  3. Step 3: Cross multiply
    1,091,737.30x = 1,638,189.15 × 492,790.90
  4. Step 4: Simplify right side
    1,091,737.30x = 807,284,705,598.74
  5. Step 5: Solve for x
    x = 807,284,705,598.74/1,091,737.30
  6. Step 6: Final answer
    x = 739,449.60

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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.