Home / 1,296,210.40-1,941,691.20-734,588.80

Finding the Fourth Proportional to 1,296,210.40, 1,941,691.20 and 734,588.80

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Solution

The fourth proportional to 1,296,210.40, 1,941,691.20 and 734,588.80 is: 1,100,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,210.40 : 1,941,691.20 = 734,588.80 : x
  2. Step 2: Convert to fraction form
    1,296,210.40/1,941,691.20 = 734,588.80/x
  3. Step 3: Cross multiply
    1,296,210.40x = 1,941,691.20 × 734,588.80
  4. Step 4: Simplify right side
    1,296,210.40x = 1,426,344,608,578.56
  5. Step 5: Solve for x
    x = 1,426,344,608,578.56/1,296,210.40
  6. Step 6: Final answer
    x = 1,100,395.90

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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.