Home / 1,330,146.06-1,995,514.29-383,442.90

Finding the Fourth Proportional to 1,330,146.06, 1,995,514.29 and 383,442.90

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Solution

The fourth proportional to 1,330,146.06, 1,995,514.29 and 383,442.90 is: 575,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,146.06 : 1,995,514.29 = 383,442.90 : x
  2. Step 2: Convert to fraction form
    1,330,146.06/1,995,514.29 = 383,442.90/x
  3. Step 3: Cross multiply
    1,330,146.06x = 1,995,514.29 × 383,442.90
  4. Step 4: Simplify right side
    1,330,146.06x = 765,165,786,349.04
  5. Step 5: Solve for x
    x = 765,165,786,349.04/1,330,146.06
  6. Step 6: Final answer
    x = 575,249.45

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Double scale
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Similar ratio
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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.