Home / 1,078,490.60-1,617,152.70-447,468.20

Finding the Fourth Proportional to 1,078,490.60, 1,617,152.70 and 447,468.20

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Solution

The fourth proportional to 1,078,490.60, 1,617,152.70 and 447,468.20 is: 670,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,490.60 : 1,617,152.70 = 447,468.20 : x
  2. Step 2: Convert to fraction form
    1,078,490.60/1,617,152.70 = 447,468.20/x
  3. Step 3: Cross multiply
    1,078,490.60x = 1,617,152.70 × 447,468.20
  4. Step 4: Simplify right side
    1,078,490.60x = 723,624,407,794.14
  5. Step 5: Solve for x
    x = 723,624,407,794.14/1,078,490.60
  6. Step 6: Final answer
    x = 670,960.33

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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.