Home / 1,668,504.40-2,502,756.56-769,680.20

Finding the Fourth Proportional to 1,668,504.40, 2,502,756.56 and 769,680.20

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Solution

The fourth proportional to 1,668,504.40, 2,502,756.56 and 769,680.20 is: 1,154,520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,504.40 : 2,502,756.56 = 769,680.20 : x
  2. Step 2: Convert to fraction form
    1,668,504.40/2,502,756.56 = 769,680.20/x
  3. Step 3: Cross multiply
    1,668,504.40x = 2,502,756.56 × 769,680.20
  4. Step 4: Simplify right side
    1,668,504.40x = 1,926,322,169,652.11
  5. Step 5: Solve for x
    x = 1,926,322,169,652.11/1,668,504.40
  6. Step 6: Final answer
    x = 1,154,520.28

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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.