Home / 1,100,528.40-1,650,792.60-680,624.40

Finding the Fourth Proportional to 1,100,528.40, 1,650,792.60 and 680,624.40

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Solution

The fourth proportional to 1,100,528.40, 1,650,792.60 and 680,624.40 is: 1,020,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,528.40 : 1,650,792.60 = 680,624.40 : x
  2. Step 2: Convert to fraction form
    1,100,528.40/1,650,792.60 = 680,624.40/x
  3. Step 3: Cross multiply
    1,100,528.40x = 1,650,792.60 × 680,624.40
  4. Step 4: Simplify right side
    1,100,528.40x = 1,123,569,722,899.44
  5. Step 5: Solve for x
    x = 1,123,569,722,899.44/1,100,528.40
  6. Step 6: Final answer
    x = 1,020,936.60

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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.