Home / 1,668,043.80-2,502,065.70-994,885.20

Finding the Fourth Proportional to 1,668,043.80, 2,502,065.70 and 994,885.20

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Solution

The fourth proportional to 1,668,043.80, 2,502,065.70 and 994,885.20 is: 1,492,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,043.80 : 2,502,065.70 = 994,885.20 : x
  2. Step 2: Convert to fraction form
    1,668,043.80/2,502,065.70 = 994,885.20/x
  3. Step 3: Cross multiply
    1,668,043.80x = 2,502,065.70 × 994,885.20
  4. Step 4: Simplify right side
    1,668,043.80x = 2,489,268,134,357.64
  5. Step 5: Solve for x
    x = 2,489,268,134,357.64/1,668,043.80
  6. Step 6: Final answer
    x = 1,492,327.80

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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.