Home / 1,258,015.50-1,887,037.83-311,394.42

Finding the Fourth Proportional to 1,258,015.50, 1,887,037.83 and 311,394.42

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Solution

The fourth proportional to 1,258,015.50, 1,887,037.83 and 311,394.42 is: 467,095.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,015.50 : 1,887,037.83 = 311,394.42 : x
  2. Step 2: Convert to fraction form
    1,258,015.50/1,887,037.83 = 311,394.42/x
  3. Step 3: Cross multiply
    1,258,015.50x = 1,887,037.83 × 311,394.42
  4. Step 4: Simplify right side
    1,258,015.50x = 587,613,050,590.91
  5. Step 5: Solve for x
    x = 587,613,050,590.91/1,258,015.50
  6. Step 6: Final answer
    x = 467,095.24

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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.