Home / 1,102,642.80-1,653,964.20-471,620.40

Finding the Fourth Proportional to 1,102,642.80, 1,653,964.20 and 471,620.40

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Solution

The fourth proportional to 1,102,642.80, 1,653,964.20 and 471,620.40 is: 707,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,642.80 : 1,653,964.20 = 471,620.40 : x
  2. Step 2: Convert to fraction form
    1,102,642.80/1,653,964.20 = 471,620.40/x
  3. Step 3: Cross multiply
    1,102,642.80x = 1,653,964.20 × 471,620.40
  4. Step 4: Simplify right side
    1,102,642.80x = 780,043,257,589.68
  5. Step 5: Solve for x
    x = 780,043,257,589.68/1,102,642.80
  6. Step 6: Final answer
    x = 707,430.60

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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.