Home / 1,456,213.60-2,009,331.12-811,492.48

Finding the Fourth Proportional to 1,456,213.60, 2,009,331.12 and 811,492.48

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Solution

The fourth proportional to 1,456,213.60, 2,009,331.12 and 811,492.48 is: 1,119,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,213.60 : 2,009,331.12 = 811,492.48 : x
  2. Step 2: Convert to fraction form
    1,456,213.60/2,009,331.12 = 811,492.48/x
  3. Step 3: Cross multiply
    1,456,213.60x = 2,009,331.12 × 811,492.48
  4. Step 4: Simplify right side
    1,456,213.60x = 1,630,557,093,709.98
  5. Step 5: Solve for x
    x = 1,630,557,093,709.98/1,456,213.60
  6. Step 6: Final answer
    x = 1,119,723.85

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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.