Home / 1,388,346.84-2,082,780.96-630,241.53

Finding the Fourth Proportional to 1,388,346.84, 2,082,780.96 and 630,241.53

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Solution

The fourth proportional to 1,388,346.84, 2,082,780.96 and 630,241.53 is: 945,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,346.84 : 2,082,780.96 = 630,241.53 : x
  2. Step 2: Convert to fraction form
    1,388,346.84/2,082,780.96 = 630,241.53/x
  3. Step 3: Cross multiply
    1,388,346.84x = 2,082,780.96 × 630,241.53
  4. Step 4: Simplify right side
    1,388,346.84x = 1,312,655,058,885.27
  5. Step 5: Solve for x
    x = 1,312,655,058,885.27/1,388,346.84
  6. Step 6: Final answer
    x = 945,480.64

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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.