Home / 1,561,340.40-2,338,511.40-1,281,404.40

Finding the Fourth Proportional to 1,561,340.40, 2,338,511.40 and 1,281,404.40

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Solution

The fourth proportional to 1,561,340.40, 2,338,511.40 and 1,281,404.40 is: 1,919,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,340.40 : 2,338,511.40 = 1,281,404.40 : x
  2. Step 2: Convert to fraction form
    1,561,340.40/2,338,511.40 = 1,281,404.40/x
  3. Step 3: Cross multiply
    1,561,340.40x = 2,338,511.40 × 1,281,404.40
  4. Step 4: Simplify right side
    1,561,340.40x = 2,996,578,797,410.16
  5. Step 5: Solve for x
    x = 2,996,578,797,410.16/1,561,340.40
  6. Step 6: Final answer
    x = 1,919,234.78

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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.