Home / 1,753,238.40-2,629,857.60-997,411.20

Finding the Fourth Proportional to 1,753,238.40, 2,629,857.60 and 997,411.20

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Solution

The fourth proportional to 1,753,238.40, 2,629,857.60 and 997,411.20 is: 1,496,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,238.40 : 2,629,857.60 = 997,411.20 : x
  2. Step 2: Convert to fraction form
    1,753,238.40/2,629,857.60 = 997,411.20/x
  3. Step 3: Cross multiply
    1,753,238.40x = 2,629,857.60 × 997,411.20
  4. Step 4: Simplify right side
    1,753,238.40x = 2,623,049,424,645.12
  5. Step 5: Solve for x
    x = 2,623,049,424,645.12/1,753,238.40
  6. Step 6: Final answer
    x = 1,496,116.80

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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.