Home / 1,296,231.60-1,944,347.40-665,209.20

Finding the Fourth Proportional to 1,296,231.60, 1,944,347.40 and 665,209.20

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Solution

The fourth proportional to 1,296,231.60, 1,944,347.40 and 665,209.20 is: 997,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,231.60 : 1,944,347.40 = 665,209.20 : x
  2. Step 2: Convert to fraction form
    1,296,231.60/1,944,347.40 = 665,209.20/x
  3. Step 3: Cross multiply
    1,296,231.60x = 1,944,347.40 × 665,209.20
  4. Step 4: Simplify right side
    1,296,231.60x = 1,293,397,778,476.08
  5. Step 5: Solve for x
    x = 1,293,397,778,476.08/1,296,231.60
  6. Step 6: Final answer
    x = 997,813.80

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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.