Home / 1,109,330.62-1,664,000.78-351,175.80

Finding the Fourth Proportional to 1,109,330.62, 1,664,000.78 and 351,175.80

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Solution

The fourth proportional to 1,109,330.62, 1,664,000.78 and 351,175.80 is: 526,765.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,330.62 : 1,664,000.78 = 351,175.80 : x
  2. Step 2: Convert to fraction form
    1,109,330.62/1,664,000.78 = 351,175.80/x
  3. Step 3: Cross multiply
    1,109,330.62x = 1,664,000.78 × 351,175.80
  4. Step 4: Simplify right side
    1,109,330.62x = 584,356,805,117.12
  5. Step 5: Solve for x
    x = 584,356,805,117.12/1,109,330.62
  6. Step 6: Final answer
    x = 526,765.24

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1.5x scale

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.