Home / 1,123,844.90-1,685,767.35-787,265.60

Finding the Fourth Proportional to 1,123,844.90, 1,685,767.35 and 787,265.60

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Solution

The fourth proportional to 1,123,844.90, 1,685,767.35 and 787,265.60 is: 1,180,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,844.90 : 1,685,767.35 = 787,265.60 : x
  2. Step 2: Convert to fraction form
    1,123,844.90/1,685,767.35 = 787,265.60/x
  3. Step 3: Cross multiply
    1,123,844.90x = 1,685,767.35 × 787,265.60
  4. Step 4: Simplify right side
    1,123,844.90x = 1,327,146,644,258.16
  5. Step 5: Solve for x
    x = 1,327,146,644,258.16/1,123,844.90
  6. Step 6: Final answer
    x = 1,180,898.40

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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.