Home / 1,340,851.42-2,011,002.81-393,967.90

Finding the Fourth Proportional to 1,340,851.42, 2,011,002.81 and 393,967.90

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Solution

The fourth proportional to 1,340,851.42, 2,011,002.81 and 393,967.90 is: 590,871.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,851.42 : 2,011,002.81 = 393,967.90 : x
  2. Step 2: Convert to fraction form
    1,340,851.42/2,011,002.81 = 393,967.90/x
  3. Step 3: Cross multiply
    1,340,851.42x = 2,011,002.81 × 393,967.90
  4. Step 4: Simplify right side
    1,340,851.42x = 792,270,553,949.80
  5. Step 5: Solve for x
    x = 792,270,553,949.80/1,340,851.42
  6. Step 6: Final answer
    x = 590,871.25

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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.