Home / 1,808,608.60-2,712,912.90-744,414.40

Finding the Fourth Proportional to 1,808,608.60, 2,712,912.90 and 744,414.40

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Solution

The fourth proportional to 1,808,608.60, 2,712,912.90 and 744,414.40 is: 1,116,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,608.60 : 2,712,912.90 = 744,414.40 : x
  2. Step 2: Convert to fraction form
    1,808,608.60/2,712,912.90 = 744,414.40/x
  3. Step 3: Cross multiply
    1,808,608.60x = 2,712,912.90 × 744,414.40
  4. Step 4: Simplify right side
    1,808,608.60x = 2,019,531,428,705.76
  5. Step 5: Solve for x
    x = 2,019,531,428,705.76/1,808,608.60
  6. Step 6: Final answer
    x = 1,116,621.60

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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.