Home / 1,424,758.64-1,966,093.61-780,054.12

Finding the Fourth Proportional to 1,424,758.64, 1,966,093.61 and 780,054.12

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Solution

The fourth proportional to 1,424,758.64, 1,966,093.61 and 780,054.12 is: 1,076,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,758.64 : 1,966,093.61 = 780,054.12 : x
  2. Step 2: Convert to fraction form
    1,424,758.64/1,966,093.61 = 780,054.12/x
  3. Step 3: Cross multiply
    1,424,758.64x = 1,966,093.61 × 780,054.12
  4. Step 4: Simplify right side
    1,424,758.64x = 1,533,659,416,885.90
  5. Step 5: Solve for x
    x = 1,533,659,416,885.90/1,424,758.64
  6. Step 6: Final answer
    x = 1,076,434.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.