Home / 1,360,905.90-2,042,136.45-520,061.10

Finding the Fourth Proportional to 1,360,905.90, 2,042,136.45 and 520,061.10

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Solution

The fourth proportional to 1,360,905.90, 2,042,136.45 and 520,061.10 is: 780,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,905.90 : 2,042,136.45 = 520,061.10 : x
  2. Step 2: Convert to fraction form
    1,360,905.90/2,042,136.45 = 520,061.10/x
  3. Step 3: Cross multiply
    1,360,905.90x = 2,042,136.45 × 520,061.10
  4. Step 4: Simplify right side
    1,360,905.90x = 1,062,035,728,537.10
  5. Step 5: Solve for x
    x = 1,062,035,728,537.10/1,360,905.90
  6. Step 6: Final answer
    x = 780,388.80

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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.