Home / 1,387,539.92-2,080,362.73-739,213.04

Finding the Fourth Proportional to 1,387,539.92, 2,080,362.73 and 739,213.04

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Solution

The fourth proportional to 1,387,539.92, 2,080,362.73 and 739,213.04 is: 1,108,314.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,539.92 : 2,080,362.73 = 739,213.04 : x
  2. Step 2: Convert to fraction form
    1,387,539.92/2,080,362.73 = 739,213.04/x
  3. Step 3: Cross multiply
    1,387,539.92x = 2,080,362.73 × 739,213.04
  4. Step 4: Simplify right side
    1,387,539.92x = 1,537,831,257,946.00
  5. Step 5: Solve for x
    x = 1,537,831,257,946.00/1,387,539.92
  6. Step 6: Final answer
    x = 1,108,314.97

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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.