Home / 1,135,277.20-1,702,267.80-425,328.40

Finding the Fourth Proportional to 1,135,277.20, 1,702,267.80 and 425,328.40

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Solution

The fourth proportional to 1,135,277.20, 1,702,267.80 and 425,328.40 is: 637,749.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,277.20 : 1,702,267.80 = 425,328.40 : x
  2. Step 2: Convert to fraction form
    1,135,277.20/1,702,267.80 = 425,328.40/x
  3. Step 3: Cross multiply
    1,135,277.20x = 1,702,267.80 × 425,328.40
  4. Step 4: Simplify right side
    1,135,277.20x = 724,022,839,745.52
  5. Step 5: Solve for x
    x = 724,022,839,745.52/1,135,277.20
  6. Step 6: Final answer
    x = 637,749.83

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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.