Home / 1,335,107.79-2,002,784.82-436,554.15

Finding the Fourth Proportional to 1,335,107.79, 2,002,784.82 and 436,554.15

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Solution

The fourth proportional to 1,335,107.79, 2,002,784.82 and 436,554.15 is: 654,871.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,107.79 : 2,002,784.82 = 436,554.15 : x
  2. Step 2: Convert to fraction form
    1,335,107.79/2,002,784.82 = 436,554.15/x
  3. Step 3: Cross multiply
    1,335,107.79x = 2,002,784.82 × 436,554.15
  4. Step 4: Simplify right side
    1,335,107.79x = 874,324,024,728.00
  5. Step 5: Solve for x
    x = 874,324,024,728.00/1,335,107.79
  6. Step 6: Final answer
    x = 654,871.49

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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.