Home / 1,038,690.50-1,433,396.73-579,796.85

Finding the Fourth Proportional to 1,038,690.50, 1,433,396.73 and 579,796.85

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Solution

The fourth proportional to 1,038,690.50, 1,433,396.73 and 579,796.85 is: 800,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,690.50 : 1,433,396.73 = 579,796.85 : x
  2. Step 2: Convert to fraction form
    1,038,690.50/1,433,396.73 = 579,796.85/x
  3. Step 3: Cross multiply
    1,038,690.50x = 1,433,396.73 × 579,796.85
  4. Step 4: Simplify right side
    1,038,690.50x = 831,078,901,687.32
  5. Step 5: Solve for x
    x = 831,078,901,687.32/1,038,690.50
  6. Step 6: Final answer
    x = 800,121.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.