Home / 1,405,405.52-2,108,100.72-340,447.04

Finding the Fourth Proportional to 1,405,405.52, 2,108,100.72 and 340,447.04

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Solution

The fourth proportional to 1,405,405.52, 2,108,100.72 and 340,447.04 is: 510,668.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,405.52 : 2,108,100.72 = 340,447.04 : x
  2. Step 2: Convert to fraction form
    1,405,405.52/2,108,100.72 = 340,447.04/x
  3. Step 3: Cross multiply
    1,405,405.52x = 2,108,100.72 × 340,447.04
  4. Step 4: Simplify right side
    1,405,405.52x = 717,696,650,145.87
  5. Step 5: Solve for x
    x = 717,696,650,145.87/1,405,405.52
  6. Step 6: Final answer
    x = 510,668.73

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1.5x scale

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.