Home / 1,588,272.20-2,191,808.40-863,106.20

Finding the Fourth Proportional to 1,588,272.20, 2,191,808.40 and 863,106.20

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Solution

The fourth proportional to 1,588,272.20, 2,191,808.40 and 863,106.20 is: 1,191,082.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,272.20 : 2,191,808.40 = 863,106.20 : x
  2. Step 2: Convert to fraction form
    1,588,272.20/2,191,808.40 = 863,106.20/x
  3. Step 3: Cross multiply
    1,588,272.20x = 2,191,808.40 × 863,106.20
  4. Step 4: Simplify right side
    1,588,272.20x = 1,891,763,419,252.08
  5. Step 5: Solve for x
    x = 1,891,763,419,252.08/1,588,272.20
  6. Step 6: Final answer
    x = 1,191,082.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.