Home / 1,296,019.60-1,944,029.40-1,207,446.10

Finding the Fourth Proportional to 1,296,019.60, 1,944,029.40 and 1,207,446.10

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Solution

The fourth proportional to 1,296,019.60, 1,944,029.40 and 1,207,446.10 is: 1,811,169.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,019.60 : 1,944,029.40 = 1,207,446.10 : x
  2. Step 2: Convert to fraction form
    1,296,019.60/1,944,029.40 = 1,207,446.10/x
  3. Step 3: Cross multiply
    1,296,019.60x = 1,944,029.40 × 1,207,446.10
  4. Step 4: Simplify right side
    1,296,019.60x = 2,347,310,717,315.34
  5. Step 5: Solve for x
    x = 2,347,310,717,315.34/1,296,019.60
  6. Step 6: Final answer
    x = 1,811,169.15

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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.