Home / 1,286,962.86-1,772,599.46-959,225.60

Finding the Fourth Proportional to 1,286,962.86, 1,772,599.46 and 959,225.60

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Solution

The fourth proportional to 1,286,962.86, 1,772,599.46 and 959,225.60 is: 1,321,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,962.86 : 1,772,599.46 = 959,225.60 : x
  2. Step 2: Convert to fraction form
    1,286,962.86/1,772,599.46 = 959,225.60/x
  3. Step 3: Cross multiply
    1,286,962.86x = 1,772,599.46 × 959,225.60
  4. Step 4: Simplify right side
    1,286,962.86x = 1,700,322,780,578.18
  5. Step 5: Solve for x
    x = 1,700,322,780,578.18/1,286,962.86
  6. Step 6: Final answer
    x = 1,321,190.25

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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.