Home / 1,335,191.60-2,002,981.80-436,415.60

Finding the Fourth Proportional to 1,335,191.60, 2,002,981.80 and 436,415.60

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Solution

The fourth proportional to 1,335,191.60, 2,002,981.80 and 436,415.60 is: 654,686.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,191.60 : 2,002,981.80 = 436,415.60 : x
  2. Step 2: Convert to fraction form
    1,335,191.60/2,002,981.80 = 436,415.60/x
  3. Step 3: Cross multiply
    1,335,191.60x = 2,002,981.80 × 436,415.60
  4. Step 4: Simplify right side
    1,335,191.60x = 874,132,504,036.08
  5. Step 5: Solve for x
    x = 874,132,504,036.08/1,335,191.60
  6. Step 6: Final answer
    x = 654,686.94

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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.