Home / 1,335,009.60-2,002,732.80-436,190.40

Finding the Fourth Proportional to 1,335,009.60, 2,002,732.80 and 436,190.40

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Solution

The fourth proportional to 1,335,009.60, 2,002,732.80 and 436,190.40 is: 654,356.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,009.60 : 2,002,732.80 = 436,190.40 : x
  2. Step 2: Convert to fraction form
    1,335,009.60/2,002,732.80 = 436,190.40/x
  3. Step 3: Cross multiply
    1,335,009.60x = 2,002,732.80 × 436,190.40
  4. Step 4: Simplify right side
    1,335,009.60x = 873,572,821,125.12
  5. Step 5: Solve for x
    x = 873,572,821,125.12/1,335,009.60
  6. Step 6: Final answer
    x = 654,356.96

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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.