Home / 1,224,956.64-1,690,191.59-715,560.60

Finding the Fourth Proportional to 1,224,956.64, 1,690,191.59 and 715,560.60

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Solution

The fourth proportional to 1,224,956.64, 1,690,191.59 and 715,560.60 is: 987,328.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,956.64 : 1,690,191.59 = 715,560.60 : x
  2. Step 2: Convert to fraction form
    1,224,956.64/1,690,191.59 = 715,560.60/x
  3. Step 3: Cross multiply
    1,224,956.64x = 1,690,191.59 × 715,560.60
  4. Step 4: Simplify right side
    1,224,956.64x = 1,209,434,504,677.55
  5. Step 5: Solve for x
    x = 1,209,434,504,677.55/1,224,956.64
  6. Step 6: Final answer
    x = 987,328.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.