Home / 1,271,065.40-1,753,338.04-761,472.54

Finding the Fourth Proportional to 1,271,065.40, 1,753,338.04 and 761,472.54

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Solution

The fourth proportional to 1,271,065.40, 1,753,338.04 and 761,472.54 is: 1,050,393.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,065.40 : 1,753,338.04 = 761,472.54 : x
  2. Step 2: Convert to fraction form
    1,271,065.40/1,753,338.04 = 761,472.54/x
  3. Step 3: Cross multiply
    1,271,065.40x = 1,753,338.04 × 761,472.54
  4. Step 4: Simplify right side
    1,271,065.40x = 1,335,118,770,797.42
  5. Step 5: Solve for x
    x = 1,335,118,770,797.42/1,271,065.40
  6. Step 6: Final answer
    x = 1,050,393.45

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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.