Home / 1,121,212.32-1,682,063.72-363,130.40

Finding the Fourth Proportional to 1,121,212.32, 1,682,063.72 and 363,130.40

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Solution

The fourth proportional to 1,121,212.32, 1,682,063.72 and 363,130.40 is: 544,775.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,212.32 : 1,682,063.72 = 363,130.40 : x
  2. Step 2: Convert to fraction form
    1,121,212.32/1,682,063.72 = 363,130.40/x
  3. Step 3: Cross multiply
    1,121,212.32x = 1,682,063.72 × 363,130.40
  4. Step 4: Simplify right side
    1,121,212.32x = 610,808,461,243.12
  5. Step 5: Solve for x
    x = 610,808,461,243.12/1,121,212.32
  6. Step 6: Final answer
    x = 544,775.02

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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.