Home / 1,782,142.10-2,673,213.15-520,097.30

Finding the Fourth Proportional to 1,782,142.10, 2,673,213.15 and 520,097.30

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Solution

The fourth proportional to 1,782,142.10, 2,673,213.15 and 520,097.30 is: 780,145.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,142.10 : 2,673,213.15 = 520,097.30 : x
  2. Step 2: Convert to fraction form
    1,782,142.10/2,673,213.15 = 520,097.30/x
  3. Step 3: Cross multiply
    1,782,142.10x = 2,673,213.15 × 520,097.30
  4. Step 4: Simplify right side
    1,782,142.10x = 1,390,330,941,639.49
  5. Step 5: Solve for x
    x = 1,390,330,941,639.49/1,782,142.10
  6. Step 6: Final answer
    x = 780,145.95

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Double scale
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Similar ratio
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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.