Home / 1,360,905.40-2,042,135.70-520,060.60

Finding the Fourth Proportional to 1,360,905.40, 2,042,135.70 and 520,060.60

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Solution

The fourth proportional to 1,360,905.40, 2,042,135.70 and 520,060.60 is: 780,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,905.40 : 2,042,135.70 = 520,060.60 : x
  2. Step 2: Convert to fraction form
    1,360,905.40/2,042,135.70 = 520,060.60/x
  3. Step 3: Cross multiply
    1,360,905.40x = 2,042,135.70 × 520,060.60
  4. Step 4: Simplify right side
    1,360,905.40x = 1,062,034,317,423.42
  5. Step 5: Solve for x
    x = 1,062,034,317,423.42/1,360,905.40
  6. Step 6: Final answer
    x = 780,388.05

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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.