Home / 1,100,523.30-1,648,816.65-679,307.10

Finding the Fourth Proportional to 1,100,523.30, 1,648,816.65 and 679,307.10

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Solution

The fourth proportional to 1,100,523.30, 1,648,816.65 and 679,307.10 is: 1,017,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,523.30 : 1,648,816.65 = 679,307.10 : x
  2. Step 2: Convert to fraction form
    1,100,523.30/1,648,816.65 = 679,307.10/x
  3. Step 3: Cross multiply
    1,100,523.30x = 1,648,816.65 × 679,307.10
  4. Step 4: Simplify right side
    1,100,523.30x = 1,120,052,856,943.21
  5. Step 5: Solve for x
    x = 1,120,052,856,943.21/1,100,523.30
  6. Step 6: Final answer
    x = 1,017,745.70

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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.