Home / 1,387,923.30-2,082,662.55-589,068.90

Finding the Fourth Proportional to 1,387,923.30, 2,082,662.55 and 589,068.90

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Solution

The fourth proportional to 1,387,923.30, 2,082,662.55 and 589,068.90 is: 883,933.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,923.30 : 2,082,662.55 = 589,068.90 : x
  2. Step 2: Convert to fraction form
    1,387,923.30/2,082,662.55 = 589,068.90/x
  3. Step 3: Cross multiply
    1,387,923.30x = 2,082,662.55 × 589,068.90
  4. Step 4: Simplify right side
    1,387,923.30x = 1,226,831,737,399.70
  5. Step 5: Solve for x
    x = 1,226,831,737,399.70/1,387,923.30
  6. Step 6: Final answer
    x = 883,933.38

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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.