Home / 1,207,231.60-1,810,847.40-808,322.80

Finding the Fourth Proportional to 1,207,231.60, 1,810,847.40 and 808,322.80

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Solution

The fourth proportional to 1,207,231.60, 1,810,847.40 and 808,322.80 is: 1,212,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,231.60 : 1,810,847.40 = 808,322.80 : x
  2. Step 2: Convert to fraction form
    1,207,231.60/1,810,847.40 = 808,322.80/x
  3. Step 3: Cross multiply
    1,207,231.60x = 1,810,847.40 × 808,322.80
  4. Step 4: Simplify right side
    1,207,231.60x = 1,463,749,240,740.72
  5. Step 5: Solve for x
    x = 1,463,749,240,740.72/1,207,231.60
  6. Step 6: Final answer
    x = 1,212,484.20

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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.