Home / 1,314,952.20-1,972,428.30-1,261,808.10

Finding the Fourth Proportional to 1,314,952.20, 1,972,428.30 and 1,261,808.10

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Solution

The fourth proportional to 1,314,952.20, 1,972,428.30 and 1,261,808.10 is: 1,892,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,952.20 : 1,972,428.30 = 1,261,808.10 : x
  2. Step 2: Convert to fraction form
    1,314,952.20/1,972,428.30 = 1,261,808.10/x
  3. Step 3: Cross multiply
    1,314,952.20x = 1,972,428.30 × 1,261,808.10
  4. Step 4: Simplify right side
    1,314,952.20x = 2,488,826,005,609.23
  5. Step 5: Solve for x
    x = 2,488,826,005,609.23/1,314,952.20
  6. Step 6: Final answer
    x = 1,892,712.15

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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.