Home / 1,206,410.89-1,665,493.38-930,165.40

Finding the Fourth Proportional to 1,206,410.89, 1,665,493.38 and 930,165.40

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Solution

The fourth proportional to 1,206,410.89, 1,665,493.38 and 930,165.40 is: 1,284,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,410.89 : 1,665,493.38 = 930,165.40 : x
  2. Step 2: Convert to fraction form
    1,206,410.89/1,665,493.38 = 930,165.40/x
  3. Step 3: Cross multiply
    1,206,410.89x = 1,665,493.38 × 930,165.40
  4. Step 4: Simplify right side
    1,206,410.89x = 1,549,184,316,005.05
  5. Step 5: Solve for x
    x = 1,549,184,316,005.05/1,206,410.89
  6. Step 6: Final answer
    x = 1,284,126.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.