Home / 1,200,616.92-1,800,928.08-490,644.90

Finding the Fourth Proportional to 1,200,616.92, 1,800,928.08 and 490,644.90

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Solution

The fourth proportional to 1,200,616.92, 1,800,928.08 and 490,644.90 is: 735,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,616.92 : 1,800,928.08 = 490,644.90 : x
  2. Step 2: Convert to fraction form
    1,200,616.92/1,800,928.08 = 490,644.90/x
  3. Step 3: Cross multiply
    1,200,616.92x = 1,800,928.08 × 490,644.90
  4. Step 4: Simplify right side
    1,200,616.92x = 883,616,177,718.79
  5. Step 5: Solve for x
    x = 883,616,177,718.79/1,200,616.92
  6. Step 6: Final answer
    x = 735,968.45

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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.