Home / 1,178,480.09-1,766,996.69-457,980.52

Finding the Fourth Proportional to 1,178,480.09, 1,766,996.69 and 457,980.52

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Solution

The fourth proportional to 1,178,480.09, 1,766,996.69 and 457,980.52 is: 686,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,480.09 : 1,766,996.69 = 457,980.52 : x
  2. Step 2: Convert to fraction form
    1,178,480.09/1,766,996.69 = 457,980.52/x
  3. Step 3: Cross multiply
    1,178,480.09x = 1,766,996.69 × 457,980.52
  4. Step 4: Simplify right side
    1,178,480.09x = 809,250,065,052.07
  5. Step 5: Solve for x
    x = 809,250,065,052.07/1,178,480.09
  6. Step 6: Final answer
    x = 686,689.64

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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.