Home / 1,456,286.53-2,184,427.89-391,328.62

Finding the Fourth Proportional to 1,456,286.53, 2,184,427.89 and 391,328.62

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Solution

The fourth proportional to 1,456,286.53, 2,184,427.89 and 391,328.62 is: 586,992.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,286.53 : 2,184,427.89 = 391,328.62 : x
  2. Step 2: Convert to fraction form
    1,456,286.53/2,184,427.89 = 391,328.62/x
  3. Step 3: Cross multiply
    1,456,286.53x = 2,184,427.89 × 391,328.62
  4. Step 4: Simplify right side
    1,456,286.53x = 854,829,151,683.21
  5. Step 5: Solve for x
    x = 854,829,151,683.21/1,456,286.53
  6. Step 6: Final answer
    x = 586,992.42

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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.