Home / 1,306,140.40-1,956,586.20-744,518.80

Finding the Fourth Proportional to 1,306,140.40, 1,956,586.20 and 744,518.80

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Solution

The fourth proportional to 1,306,140.40, 1,956,586.20 and 744,518.80 is: 1,115,282.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,140.40 : 1,956,586.20 = 744,518.80 : x
  2. Step 2: Convert to fraction form
    1,306,140.40/1,956,586.20 = 744,518.80/x
  3. Step 3: Cross multiply
    1,306,140.40x = 1,956,586.20 × 744,518.80
  4. Step 4: Simplify right side
    1,306,140.40x = 1,456,715,209,720.56
  5. Step 5: Solve for x
    x = 1,456,715,209,720.56/1,306,140.40
  6. Step 6: Final answer
    x = 1,115,282.25

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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.