Home / 1,207,297.60-1,810,835.68-408,487.65

Finding the Fourth Proportional to 1,207,297.60, 1,810,835.68 and 408,487.65

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Solution

The fourth proportional to 1,207,297.60, 1,810,835.68 and 408,487.65 is: 612,694.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,297.60 : 1,810,835.68 = 408,487.65 : x
  2. Step 2: Convert to fraction form
    1,207,297.60/1,810,835.68 = 408,487.65/x
  3. Step 3: Cross multiply
    1,207,297.60x = 1,810,835.68 × 408,487.65
  4. Step 4: Simplify right side
    1,207,297.60x = 739,704,011,459.35
  5. Step 5: Solve for x
    x = 739,704,011,459.35/1,207,297.60
  6. Step 6: Final answer
    x = 612,694.01

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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.