Home / 1,410,002.70-2,115,004.05-1,256,475.30

Finding the Fourth Proportional to 1,410,002.70, 2,115,004.05 and 1,256,475.30

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Solution

The fourth proportional to 1,410,002.70, 2,115,004.05 and 1,256,475.30 is: 1,884,712.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,002.70 : 2,115,004.05 = 1,256,475.30 : x
  2. Step 2: Convert to fraction form
    1,410,002.70/2,115,004.05 = 1,256,475.30/x
  3. Step 3: Cross multiply
    1,410,002.70x = 2,115,004.05 × 1,256,475.30
  4. Step 4: Simplify right side
    1,410,002.70x = 2,657,450,348,224.97
  5. Step 5: Solve for x
    x = 2,657,450,348,224.97/1,410,002.70
  6. Step 6: Final answer
    x = 1,884,712.95

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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.