Home / 1,196,287.68-1,650,687.60-712,840.80

Finding the Fourth Proportional to 1,196,287.68, 1,650,687.60 and 712,840.80

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Solution

The fourth proportional to 1,196,287.68, 1,650,687.60 and 712,840.80 is: 983,607.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,287.68 : 1,650,687.60 = 712,840.80 : x
  2. Step 2: Convert to fraction form
    1,196,287.68/1,650,687.60 = 712,840.80/x
  3. Step 3: Cross multiply
    1,196,287.68x = 1,650,687.60 × 712,840.80
  4. Step 4: Simplify right side
    1,196,287.68x = 1,176,677,469,334.08
  5. Step 5: Solve for x
    x = 1,176,677,469,334.08/1,196,287.68
  6. Step 6: Final answer
    x = 983,607.45

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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.