Home / 1,284,144.60-1,925,763.30-442,500.60

Finding the Fourth Proportional to 1,284,144.60, 1,925,763.30 and 442,500.60

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Solution

The fourth proportional to 1,284,144.60, 1,925,763.30 and 442,500.60 is: 663,594.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,144.60 : 1,925,763.30 = 442,500.60 : x
  2. Step 2: Convert to fraction form
    1,284,144.60/1,925,763.30 = 442,500.60/x
  3. Step 3: Cross multiply
    1,284,144.60x = 1,925,763.30 × 442,500.60
  4. Step 4: Simplify right side
    1,284,144.60x = 852,151,415,707.98
  5. Step 5: Solve for x
    x = 852,151,415,707.98/1,284,144.60
  6. Step 6: Final answer
    x = 663,594.59

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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.