Home / 1,483,625.70-2,225,438.55-978,428.70

Finding the Fourth Proportional to 1,483,625.70, 2,225,438.55 and 978,428.70

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Solution

The fourth proportional to 1,483,625.70, 2,225,438.55 and 978,428.70 is: 1,467,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483,625.70 : 2,225,438.55 = 978,428.70 : x
  2. Step 2: Convert to fraction form
    1,483,625.70/2,225,438.55 = 978,428.70/x
  3. Step 3: Cross multiply
    1,483,625.70x = 2,225,438.55 × 978,428.70
  4. Step 4: Simplify right side
    1,483,625.70x = 2,177,432,947,406.38
  5. Step 5: Solve for x
    x = 2,177,432,947,406.38/1,483,625.70
  6. Step 6: Final answer
    x = 1,467,643.05

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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.