Home / 1,002,420.35-1,503,280.50-403,226.09

Finding the Fourth Proportional to 1,002,420.35, 1,503,280.50 and 403,226.09

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Solution

The fourth proportional to 1,002,420.35, 1,503,280.50 and 403,226.09 is: 604,698.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,420.35 : 1,503,280.50 = 403,226.09 : x
  2. Step 2: Convert to fraction form
    1,002,420.35/1,503,280.50 = 403,226.09/x
  3. Step 3: Cross multiply
    1,002,420.35x = 1,503,280.50 × 403,226.09
  4. Step 4: Simplify right side
    1,002,420.35x = 606,161,918,188.25
  5. Step 5: Solve for x
    x = 606,161,918,188.25/1,002,420.35
  6. Step 6: Final answer
    x = 604,698.34

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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.