Home / 1,500,512.72-2,250,772.80-378,581.76

Finding the Fourth Proportional to 1,500,512.72, 2,250,772.80 and 378,581.76

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Solution

The fourth proportional to 1,500,512.72, 2,250,772.80 and 378,581.76 is: 567,873.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,512.72 : 2,250,772.80 = 378,581.76 : x
  2. Step 2: Convert to fraction form
    1,500,512.72/2,250,772.80 = 378,581.76/x
  3. Step 3: Cross multiply
    1,500,512.72x = 2,250,772.80 × 378,581.76
  4. Step 4: Simplify right side
    1,500,512.72x = 852,101,527,984.13
  5. Step 5: Solve for x
    x = 852,101,527,984.13/1,500,512.72
  6. Step 6: Final answer
    x = 567,873.58

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1.5x scale

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.