Home / 1,415,968.40-2,120,453.40-940,077.20

Finding the Fourth Proportional to 1,415,968.40, 2,120,453.40 and 940,077.20

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Solution

The fourth proportional to 1,415,968.40, 2,120,453.40 and 940,077.20 is: 1,407,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,968.40 : 2,120,453.40 = 940,077.20 : x
  2. Step 2: Convert to fraction form
    1,415,968.40/2,120,453.40 = 940,077.20/x
  3. Step 3: Cross multiply
    1,415,968.40x = 2,120,453.40 × 940,077.20
  4. Step 4: Simplify right side
    1,415,968.40x = 1,993,389,895,002.48
  5. Step 5: Solve for x
    x = 1,993,389,895,002.48/1,415,968.40
  6. Step 6: Final answer
    x = 1,407,792.64

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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.