Home / 1,341,238.60-2,011,857.90-1,194,272.20

Finding the Fourth Proportional to 1,341,238.60, 2,011,857.90 and 1,194,272.20

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Solution

The fourth proportional to 1,341,238.60, 2,011,857.90 and 1,194,272.20 is: 1,791,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,238.60 : 2,011,857.90 = 1,194,272.20 : x
  2. Step 2: Convert to fraction form
    1,341,238.60/2,011,857.90 = 1,194,272.20/x
  3. Step 3: Cross multiply
    1,341,238.60x = 2,011,857.90 × 1,194,272.20
  4. Step 4: Simplify right side
    1,341,238.60x = 2,402,705,960,320.38
  5. Step 5: Solve for x
    x = 2,402,705,960,320.38/1,341,238.60
  6. Step 6: Final answer
    x = 1,791,408.30

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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.