Home / 1,410,655.40-2,115,983.10-985,502.60

Finding the Fourth Proportional to 1,410,655.40, 2,115,983.10 and 985,502.60

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Solution

The fourth proportional to 1,410,655.40, 2,115,983.10 and 985,502.60 is: 1,478,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,655.40 : 2,115,983.10 = 985,502.60 : x
  2. Step 2: Convert to fraction form
    1,410,655.40/2,115,983.10 = 985,502.60/x
  3. Step 3: Cross multiply
    1,410,655.40x = 2,115,983.10 × 985,502.60
  4. Step 4: Simplify right side
    1,410,655.40x = 2,085,306,846,606.06
  5. Step 5: Solve for x
    x = 2,085,306,846,606.06/1,410,655.40
  6. Step 6: Final answer
    x = 1,478,253.90

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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.