Home / 1,200,056.86-1,800,087.06-490,084.92

Finding the Fourth Proportional to 1,200,056.86, 1,800,087.06 and 490,084.92

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Solution

The fourth proportional to 1,200,056.86, 1,800,087.06 and 490,084.92 is: 735,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,056.86 : 1,800,087.06 = 490,084.92 : x
  2. Step 2: Convert to fraction form
    1,200,056.86/1,800,087.06 = 490,084.92/x
  3. Step 3: Cross multiply
    1,200,056.86x = 1,800,087.06 × 490,084.92
  4. Step 4: Simplify right side
    1,200,056.86x = 882,195,522,793.14
  5. Step 5: Solve for x
    x = 882,195,522,793.14/1,200,056.86
  6. Step 6: Final answer
    x = 735,128.10

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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.