Home / 1,213,419.84-1,820,395.20-372,037.20

Finding the Fourth Proportional to 1,213,419.84, 1,820,395.20 and 372,037.20

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Solution

The fourth proportional to 1,213,419.84, 1,820,395.20 and 372,037.20 is: 558,137.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,419.84 : 1,820,395.20 = 372,037.20 : x
  2. Step 2: Convert to fraction form
    1,213,419.84/1,820,395.20 = 372,037.20/x
  3. Step 3: Cross multiply
    1,213,419.84x = 1,820,395.20 × 372,037.20
  4. Step 4: Simplify right side
    1,213,419.84x = 677,254,733,101.44
  5. Step 5: Solve for x
    x = 677,254,733,101.44/1,213,419.84
  6. Step 6: Final answer
    x = 558,137.18

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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.