Home / 1,086,880.40-1,631,098.20-456,246.80

Finding the Fourth Proportional to 1,086,880.40, 1,631,098.20 and 456,246.80

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Solution

The fourth proportional to 1,086,880.40, 1,631,098.20 and 456,246.80 is: 684,696.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,880.40 : 1,631,098.20 = 456,246.80 : x
  2. Step 2: Convert to fraction form
    1,086,880.40/1,631,098.20 = 456,246.80/x
  3. Step 3: Cross multiply
    1,086,880.40x = 1,631,098.20 × 456,246.80
  4. Step 4: Simplify right side
    1,086,880.40x = 744,183,334,235.76
  5. Step 5: Solve for x
    x = 744,183,334,235.76/1,086,880.40
  6. Step 6: Final answer
    x = 684,696.62

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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.