Home / 2,443,495.40-3,665,588.70-760,423.40

Finding the Fourth Proportional to 2,443,495.40, 3,665,588.70 and 760,423.40

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Solution

The fourth proportional to 2,443,495.40, 3,665,588.70 and 760,423.40 is: 1,140,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,443,495.40 : 3,665,588.70 = 760,423.40 : x
  2. Step 2: Convert to fraction form
    2,443,495.40/3,665,588.70 = 760,423.40/x
  3. Step 3: Cross multiply
    2,443,495.40x = 3,665,588.70 × 760,423.40
  4. Step 4: Simplify right side
    2,443,495.40x = 2,787,399,422,255.58
  5. Step 5: Solve for x
    x = 2,787,399,422,255.58/2,443,495.40
  6. Step 6: Final answer
    x = 1,140,742.65

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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.