Home / 1,271,244.65-1,753,584.73-761,651.78

Finding the Fourth Proportional to 1,271,244.65, 1,753,584.73 and 761,651.78

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Solution

The fourth proportional to 1,271,244.65, 1,753,584.73 and 761,651.78 is: 1,050,640.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,244.65 : 1,753,584.73 = 761,651.78 : x
  2. Step 2: Convert to fraction form
    1,271,244.65/1,753,584.73 = 761,651.78/x
  3. Step 3: Cross multiply
    1,271,244.65x = 1,753,584.73 × 761,651.78
  4. Step 4: Simplify right side
    1,271,244.65x = 1,335,620,920,313.27
  5. Step 5: Solve for x
    x = 1,335,620,920,313.27/1,271,244.65
  6. Step 6: Final answer
    x = 1,050,640.35

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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.