Home / 1,478,150.80-2,217,809.40-579,439.60

Finding the Fourth Proportional to 1,478,150.80, 2,217,809.40 and 579,439.60

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Solution

The fourth proportional to 1,478,150.80, 2,217,809.40 and 579,439.60 is: 869,388.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,150.80 : 2,217,809.40 = 579,439.60 : x
  2. Step 2: Convert to fraction form
    1,478,150.80/2,217,809.40 = 579,439.60/x
  3. Step 3: Cross multiply
    1,478,150.80x = 2,217,809.40 × 579,439.60
  4. Step 4: Simplify right side
    1,478,150.80x = 1,285,086,591,612.24
  5. Step 5: Solve for x
    x = 1,285,086,591,612.24/1,478,150.80
  6. Step 6: Final answer
    x = 869,388.02

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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.