Home / 1,171,981.60-1,757,972.40-330,522.40

Finding the Fourth Proportional to 1,171,981.60, 1,757,972.40 and 330,522.40

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Solution

The fourth proportional to 1,171,981.60, 1,757,972.40 and 330,522.40 is: 495,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,981.60 : 1,757,972.40 = 330,522.40 : x
  2. Step 2: Convert to fraction form
    1,171,981.60/1,757,972.40 = 330,522.40/x
  3. Step 3: Cross multiply
    1,171,981.60x = 1,757,972.40 × 330,522.40
  4. Step 4: Simplify right side
    1,171,981.60x = 581,049,256,781.76
  5. Step 5: Solve for x
    x = 581,049,256,781.76/1,171,981.60
  6. Step 6: Final answer
    x = 495,783.60

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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.