Home / 1,380,012.04-2,069,362.62-481,344.68

Finding the Fourth Proportional to 1,380,012.04, 2,069,362.62 and 481,344.68

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Solution

The fourth proportional to 1,380,012.04, 2,069,362.62 and 481,344.68 is: 721,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,012.04 : 2,069,362.62 = 481,344.68 : x
  2. Step 2: Convert to fraction form
    1,380,012.04/2,069,362.62 = 481,344.68/x
  3. Step 3: Cross multiply
    1,380,012.04x = 2,069,362.62 × 481,344.68
  4. Step 4: Simplify right side
    1,380,012.04x = 996,076,688,127.86
  5. Step 5: Solve for x
    x = 996,076,688,127.86/1,380,012.04
  6. Step 6: Final answer
    x = 721,788.40

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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.