Home / 1,520,136.02-2,097,755.34-831,805.04

Finding the Fourth Proportional to 1,520,136.02, 2,097,755.34 and 831,805.04

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Solution

The fourth proportional to 1,520,136.02, 2,097,755.34 and 831,805.04 is: 1,147,873.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,136.02 : 2,097,755.34 = 831,805.04 : x
  2. Step 2: Convert to fraction form
    1,520,136.02/2,097,755.34 = 831,805.04/x
  3. Step 3: Cross multiply
    1,520,136.02x = 2,097,755.34 × 831,805.04
  4. Step 4: Simplify right side
    1,520,136.02x = 1,744,923,464,498.91
  5. Step 5: Solve for x
    x = 1,744,923,464,498.91/1,520,136.02
  6. Step 6: Final answer
    x = 1,147,873.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.