Home / 1,226,428.72-1,840,829.52-885,223.92

Finding the Fourth Proportional to 1,226,428.72, 1,840,829.52 and 885,223.92

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Solution

The fourth proportional to 1,226,428.72, 1,840,829.52 and 885,223.92 is: 1,328,692.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,428.72 : 1,840,829.52 = 885,223.92 : x
  2. Step 2: Convert to fraction form
    1,226,428.72/1,840,829.52 = 885,223.92/x
  3. Step 3: Cross multiply
    1,226,428.72x = 1,840,829.52 × 885,223.92
  4. Step 4: Simplify right side
    1,226,428.72x = 1,629,546,323,746.12
  5. Step 5: Solve for x
    x = 1,629,546,323,746.12/1,226,428.72
  6. Step 6: Final answer
    x = 1,328,692.24

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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.