Home / 1,479,088.34-2,219,469.04-805,216.23

Finding the Fourth Proportional to 1,479,088.34, 2,219,469.04 and 805,216.23

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Solution

The fourth proportional to 1,479,088.34, 2,219,469.04 and 805,216.23 is: 1,208,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,088.34 : 2,219,469.04 = 805,216.23 : x
  2. Step 2: Convert to fraction form
    1,479,088.34/2,219,469.04 = 805,216.23/x
  3. Step 3: Cross multiply
    1,479,088.34x = 2,219,469.04 × 805,216.23
  4. Step 4: Simplify right side
    1,479,088.34x = 1,787,152,488,964.44
  5. Step 5: Solve for x
    x = 1,787,152,488,964.44/1,479,088.34
  6. Step 6: Final answer
    x = 1,208,279.75

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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.