Home / 1,306,155.40-1,956,608.70-744,533.80

Finding the Fourth Proportional to 1,306,155.40, 1,956,608.70 and 744,533.80

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Solution

The fourth proportional to 1,306,155.40, 1,956,608.70 and 744,533.80 is: 1,115,304.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,155.40 : 1,956,608.70 = 744,533.80 : x
  2. Step 2: Convert to fraction form
    1,306,155.40/1,956,608.70 = 744,533.80/x
  3. Step 3: Cross multiply
    1,306,155.40x = 1,956,608.70 × 744,533.80
  4. Step 4: Simplify right side
    1,306,155.40x = 1,456,761,310,524.06
  5. Step 5: Solve for x
    x = 1,456,761,310,524.06/1,306,155.40
  6. Step 6: Final answer
    x = 1,115,304.74

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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.