Home / 1,164,647.21-1,746,416.55-406,396.54

Finding the Fourth Proportional to 1,164,647.21, 1,746,416.55 and 406,396.54

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Solution

The fourth proportional to 1,164,647.21, 1,746,416.55 and 406,396.54 is: 609,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,647.21 : 1,746,416.55 = 406,396.54 : x
  2. Step 2: Convert to fraction form
    1,164,647.21/1,746,416.55 = 406,396.54/x
  3. Step 3: Cross multiply
    1,164,647.21x = 1,746,416.55 × 406,396.54
  4. Step 4: Simplify right side
    1,164,647.21x = 709,737,644,739.76
  5. Step 5: Solve for x
    x = 709,737,644,739.76/1,164,647.21
  6. Step 6: Final answer
    x = 609,401.40

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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.