Home / 1,809,200.70-2,712,816.90-744,350.40

Finding the Fourth Proportional to 1,809,200.70, 2,712,816.90 and 744,350.40

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Solution

The fourth proportional to 1,809,200.70, 2,712,816.90 and 744,350.40 is: 1,116,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,200.70 : 2,712,816.90 = 744,350.40 : x
  2. Step 2: Convert to fraction form
    1,809,200.70/2,712,816.90 = 744,350.40/x
  3. Step 3: Cross multiply
    1,809,200.70x = 2,712,816.90 × 744,350.40
  4. Step 4: Simplify right side
    1,809,200.70x = 2,019,286,344,641.76
  5. Step 5: Solve for x
    x = 2,019,286,344,641.76/1,809,200.70
  6. Step 6: Final answer
    x = 1,116,120.70

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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.