Home / 1,471,740.30-2,031,019.92-890,955.72

Finding the Fourth Proportional to 1,471,740.30, 2,031,019.92 and 890,955.72

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Solution

The fourth proportional to 1,471,740.30, 2,031,019.92 and 890,955.72 is: 1,229,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,740.30 : 2,031,019.92 = 890,955.72 : x
  2. Step 2: Convert to fraction form
    1,471,740.30/2,031,019.92 = 890,955.72/x
  3. Step 3: Cross multiply
    1,471,740.30x = 2,031,019.92 × 890,955.72
  4. Step 4: Simplify right side
    1,471,740.30x = 1,809,548,815,157.94
  5. Step 5: Solve for x
    x = 1,809,548,815,157.94/1,471,740.30
  6. Step 6: Final answer
    x = 1,229,529.98

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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.